Answer:
Explanation:
A battery
Answer:
Ac motor is in this images
How do u make a stormwater drain
To make a stormwater drain, you will need to follow these steps: Determine the location where you want to install the drain, Dig a trench in the selected area, Install a perforated drain pipe in the trench, Cover the perforated pipe with gravel, Install a catch basin at the beginning of the drain, Connect the catch basin to the drain pipe with a solid PVC pipe, and Cover the trench with soil and restore the area to its original state.
1. Determine the location where you want to install the drain. It should be an area where water accumulates during heavy rainfall.
2. Dig a trench in the selected area. The trench should be deep and wide enough to accommodate the drain pipe.
3. Install a perforated drain pipe in the trench. This type of pipe allows water to enter and exit through small holes in the pipe.
4. Cover the perforated pipe with gravel. This will help to filter out any debris or sediment that may enter the pipe.
5. Install a catch basin at the beginning of the drain. This will collect any larger debris that may enter the drain.
6. Connect the catch basin to the drain pipe with a solid PVC pipe.
7. Cover the trench with soil and restore the area to its original state.
Overall, building a stormwater drain can help prevent flooding and erosion in your yard or community. It is important to check with your local regulations to ensure that the drain is installed properly and safely.
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Carbohydrates are like identification badges. Cells that have different membrane carbohydrates do different ________________. The immune system uses the carbohydrates to _____________________ that your cells belong to ________ and are not ______________________, ____________________, or other foreign cells..
Answer:
Ansmure two
ismirgonewart
are you
and de band
what is true beauty and the best
Explanation:
itu diatas jawaban nya
What volume of 15.6M NH4OH is needed to make 500.0 mL of 3.00M solution? a) 0.962 L b) 0.00962 L c) 0.026 L d) 0.0962 L
Answer:
d) 0.0962 L
Explanation:
The problem describes a dilution process, meaning that we can solve it by using the following equation:
C₁V₁=C₂V₂Where subscript 1 stands for the volume and concentration of the concentrated solution, and 2 for those of the diluted solution. That means that in this case:
C₁ = 15.6 MV₁ = ?C₂ = 3.00 MV₂ = 500 mLWe input the data:
15.6 M * V₁ = 3.00 M * 500 mLAnd solve for V₁:
V₁ = 96.2 mLFinally we convert 96.2 mL to L:
96.2 mL / 1000 = 0.0962 LThe answer is thus option d).
The car has a rechargeable battery to drive it’s motor. The rechargeable battery provided a potential difference of 330 volts and can store up to 64 mega Jules it takes 8 hours for the battery to receive a full charge assume that the charging process is 100% efficient calculate the total charge the flows while the battery is being charged
The total charge that flows while the battery is being charged is approximately 193,939.39 Coulombs.
To calculate the total charge that flows while the battery is being charged, we can use the relationship between electrical energy, potential difference, and charge.
The electrical energy (E) stored in the battery is given as 64 mega Jules (64 MJ). The potential difference (V) provided by the battery is 330 volts. We know that the energy (E) is equal to the product of the potential difference (V) and the charge (Q):
E = V * Q
Since the charging process is 100% efficient, all the electrical energy supplied is stored in the battery. Therefore, we can rearrange the equation to solve for the charge (Q):
Q = E / V
Substituting the given values, we have:
Q = 64 MJ / 330 V
To perform the calculation, we need to convert mega Jules (MJ) to joules (J) since the SI unit of energy is joules. One mega Joule is equal to 1 million joules:
Q = (64 * 10^6 J) / 330 V
Calculating the division:
Q ≈ 193,939.39 Coulombs
Therefore, the total charge that flows while the battery is being charged is approximately 193,939.39 Coulombs.
This value represents the quantity of electric charge transferred during the charging process, and it indicates the amount of electricity that enters the battery.
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Give an example of a system that has energy.
Answer:
Aerobic Energy System
Explanation:
Answer:
Digestive system. It contains chemical energy. The digestive system breaks down food. Food contains chemical energy. To break down the food, the digestive system contains enzymes. Enzymes have kinetic energy to move and break down the food. They are biological catalysts. They transfer to the thermal energy store since in order to break down food at the fastest rate, they need to be at an optimum temperature.
I'm not sure if it's correct, but I'll provide some energy stores to give you inspiration:
Kinetic energy
Chemical energy
Nuclear energy
Gravitational potential energy
Elastic potential energy
Thermal energy
Which statement describes the energy and bonding changes as two atoms of fluorine become a molecule of fluorine?
1
Energy is absorbed as a bond is broken.
2
Energy is absorbed as a bond is formed.
3
Energy is released as a bond is broken.
4
Energy is released as a bond is formed.
Answer:4
Explanation: I know because I got it right
Statement that gives description as regards energy and bonding changes between atoms such as fluorine become a molecule of fluorine is : 4:Energy is released as a bond is formed.
Bond energy can be regarded as the amount of energy that is needed in breaking apart a mole of molecules to component atoms.When atoms bond together, they use to attain lower energies compare when they were in individual atoms , hence energy will be released as bond is formed.Therefore, option 4, is correct.
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which one of the following compounds will produce a solution with a ph > 7 when dissolved in water, but is not an arrhenius base?
a. naoh b. co2 c. ch3nh2 (correct answer) d. ch4 ca(oh)2
the following compounds will produce a solution with a ph > 7 when dissolved in water, is (c) CH3NH2.
While NaOH (a) and Ca(OH)2 (d) are Arrhenius bases and will produce a pH > 7 when dissolved in water, CO2 (b) is an acidic oxide and will form carbonic acid (H2CO3) in water, leading to a decrease in pH.
CH3NH2 (c), on the other hand, is not an Arrhenius base, but a weak organic base.
When dissolved in water, it will react with water to form CH3NH3+ and OH-, increasing the concentration of hydroxide ions and resulting in a pH > 7. This process is known as base-catalyzed hydrolysis, and CH3NH2 is an example of a Bronsted-Lowry base.
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Which process is responsible for changing the composition of rock?
erosion
abrasion
chemical weathering
mechanical weathering
Answer:
chemical weathering
Explanation:
Chemical weathering is the process responsible for changing the composition of rocks.
WHAT IS WEATHERING?Weathering is the process by which rocks are broken down into smaller or tiny pieces.
There are different types of weathering namely;
Chemical weatheringMechanical weatheringChemical weathering is the type of weathering that changes the chemical composition of rocks.
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A team of botanists conducted an experiment
investigating the effect of pH on plant growth.
The height of the plant was measured three weeks
after planting.
1
?
3.
Based on the data they collected, what is the
optimal pH for growing basil? Explain your
answer.
Based on the data they collected, which
plant fares better than the others in low pH
environments? Explain your answer.
At which pH is there the greatest difference
between the heights of parsley and basil?
What is the height difference at that pH?
The outcomes to the scan had been now not all similar. The pots with the pH of 5.0 had no growth whatsoever. The pots with the pH of 6.0 had little growth, each with only four blades of grass. The pots with a pH of 7.0 grew well, one pot with extra blades of grass than the other, an average of 11 blades of grass
What are the elements that affect the pH of a plant environment?Natural soil pH depends on the rock from which the soil was once fashioned (parent material) and the weathering procedures that acted on it—for instance climate, vegetation, topography and time. These approaches have a tendency to purpose a decreasing of pH (increase in acidity) over time.
There is disruption of nutrient absorption by way of the plants if it's pH increases, and hence, soil fertility is reduced, alkaline soil's pH does not lead to make bigger in nutrient absorption, soil illness does not happen.
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https://brainly.com/question/31459436#SPJ1Which refers specifically to a solution with as much dissolved solute as it can hold at a given temperature?
supersaturated
saturated
heterogeneous
homogeneous
Please and fast
Answer:
Saturated is the answer you are looking for
Explanation:
This is saturated's meaning: holding as much water or moisture as can be absorbed; thoroughly soaked.
"a mass of saturated air decreases in temperature as it rises in the atmosphere" Hence why the answer is saturated! :)
Hope this helps! :)
Answer: Saturated
Explanation: On Edge!!!!!!!!!!!!!
The acid dissociation constant, Ka, of HSO4- is 1.2 × 10-2. What does the Ka value indicate about this compound?
A.
HSO4- is a weak base.
B.
HSO4- is a strong acid.
C.
HSO4- is a weak acid.
D.
HSO4- is a strong base.
Answer:
The answer is HSO4- is a weak acid which will be C
The acid dissociation constant, ka, of HSO4- indicates that it is a strong acid. Details about acid dissociation constant can be found below.
What is acid dissociation constant?The acid dissociation constant denoted by Ka is the measure of the strength of an acid.
The dissociation constant of an acid is used to identify strong acids from their weak counterparts. Strong acids have high Ka values while weak acids have low Ka values.
According to this question, the Ka of HSO4- is 1.2 × 10-², which is quite high.
Therefore, the dissociation constant, ka, of HSO4- suggests that it is a strong acid.
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Why H2O leaves and many times readily?
Water, or H2O, leaves and evaporates readily due to its molecular structure and its ability to form hydrogen bonds. The hydrogen bonds between water molecules are relatively weak, allowing water molecules to break free from the liquid phase and enter the gas phase.
Additionally, water has a relatively low boiling point, meaning that it can easily be converted into a gas at normal temperatures. The process of evaporation is also affected by factors such as temperature, humidity, and air flow. When these factors are favorable, water molecules are more likely to leave the liquid phase and enter the gas phase.
Evaporation plays an important role in the water cycle, as it helps to transfer water from the earth's surface back into the atmosphere. It also has important applications in fields such as food preservation and cooling technology. Overall, the ability of H2O to leave and evaporate readily is due to a combination of its molecular structure and external factors that affect the process of evaporation.
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H2S04+CaCO3—>Ca S04+H20 +CO 2
help me balance it
Answer:
It's already balanced.
Explanation:
REACTANTS PRODUCTS
H = 2 H =2
S = 1 S = 1
O = 7 O = 7
Ca = 1 Ca = 1
C = 1 C =1
Please help me with this question
Answer:
Explanation:
Carbon C
Which shows the weight of an atom?
atomic mass
atomic number
chemical symbol
none of the above
Answer:
The atomic mass
Explanation:
Answer: atomic mass
10. What is the density of a rock with a volume of 5 cubic centimeters and a mass of 3 grams?
Answer:
0.6 g/cm³Explanation:
The density of a substance can be found by using the formula
\(density = \frac{mass}{volume} \\ \)
From the question we have
\(density = \frac{3}{5} \\ \)
We have the final answer as
0.6 g/cm³Hope this helps you
a myelin sheath is a fatty layer that protects the axon, so it is most like the
A myelin sheath is most like the insulation around an electrical wire.
The myelin sheath is a protective layer that surrounds and insulates the axon of a nerve cell. It is composed of fatty substances called lipids, specifically phospholipids and proteins. The myelin sheath acts as an insulating layer, similar to the insulation found around electrical wires.
Just as the insulation around an electrical wire prevents the leakage of electrical current and enhances the conduction of electrical signals, the myelin sheath serves a similar function in nerve cells. It helps to increase the speed and efficiency of nerve impulse transmission along the axon.
The myelin sheath is not continuous along the entire length of the axon. Instead, it is segmented with small gaps called nodes of Ranvier. These nodes allow for saltatory conduction, where the electrical impulses jump from one node to another, significantly increasing the speed of signal transmission.
Overall, the analogy of a myelin sheath being similar to the insulation around an electrical wire helps to understand its function in protecting and facilitating efficient signal conduction in nerve cells.
In conclusion, the myelin sheath is most like the insulation around an electrical wire as it provides protection and facilitates the conduction of electrical impulses along the axon of a nerve cell.
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Which element does not have similar chemical characteristics as phosphorus (P)?
answers:
Antimony (Sb)
Nitrogen (N)
Arsenic (As)
Oxygen (O)
What does X represent for this transmutation? X+24He→612C+01n a) 49Be b)513B c)613C d)25He
Among the given options, the element that represents X in the transmutation is 49Be (option a).
In the given transmutation, X represents the element that undergoes the nuclear reaction.
Looking at the reaction:
\($X + 2^4He \rightarrow 6^{12}C + 0^1n$\)
We can identify the elements involved in the reaction:
2⁴ He is an alpha particle (helium nucleus).6¹²C is carbon-12.0¹n is a neutron.From the given options, the element X can be determined by balancing the atomic and mass numbers on both sides of the reaction.
Comparing the atomic numbers, we have:
X: Z
2⁴ He: 2 (helium)
6¹²C: 6 (carbon)
0¹n: 0 (neutron)
To balance the atomic number on the left side (X + 2^4He), it should equal the atomic number on the right side (6^12C):
Z + 2 = 6
Z = 4
Therefore, the element X has an atomic number of 4, which corresponds to the element beryllium (Be).
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what is chromatography method
Explanation:
Chromatography is a physical method of separation that distributes components to separate between two phases, one stationary (stationary phase), the other (the mobile phase) moving in a definite direction. The mobile phase is the phase that moves in a definite direction
I need help asap on balancing equations
The given chemical equation is:
MgCl + Na(OH)₃ → Mg₃(OH)₂ + NaCl
To balance this equation, we need to ensure that the number of atoms of each element is the same on both sides of the equation.Let's start by balancing the magnesium (Mg) atoms:MgCl + Na(OH)₃ → Mg₃(OH)₂ + NaCl
There are three magnesium atoms on the right side (Mg₃) but only one on the left side. To balance the magnesium, we need to place a coefficient of 3 in front of MgCl:3 MgCl + Na(OH)₃ → Mg₃(OH)₂ + NaCl
Next, let's balance the chlorine (Cl) atoms:There are three chlorine atoms on the left side (3 Cl) but only one on the right side. To balance the chlorine, we need to place a coefficient of 3 in front of NaCl:3 MgCl + Na(OH)₃ → Mg₃(OH)₂ + 3 NaCl
Now let's balance the sodium (Na) atoms:There is one sodium atom on the left side but three sodium atoms on the right side. To balance the sodium, we need to place a coefficient of 3 in front of NaOH:3 MgCl + 3 Na(OH)₃ → Mg₃(OH)₂ + 3 NaCl
Finally, let's balance the hydrogen (H) and oxygen (O) atoms:There are nine hydrogen atoms on the right side (6 in Mg₃(OH)₂ and 3 in 3 (NaOH), but only three on the left side. To balance the hydrogen, we need to place a coefficient of 6 in front of H₂O:3 MgCl + 3 Na(OH)₃ → Mg₃(OH)₂ + 3 NaCl + 6 H₂O
There are six oxygen atoms on the right side (2 in Mg₃(OH)₂ and 6 in 3 NaOH), but only three on the left side. To balance the oxygen, we need to place a coefficient of 3 in front of Mg(OH)₂:3 MgCl + 3 Na(OH)₃ → 3 Mg₃(OH)₂ + 3 NaCl + 6 H₂O
Now the equation is balanced with the same number of atoms on both sides.For such more questions on Balancing equations
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how do you rewrite 4 5/7 as an improper fraction. in steps
please don't use files they don't work
Answer:
33/7
Multiply the denominator of the fraction by the whole number.
Add this result to the numerator of the fraction
answer becomes the numerator of the improper fraction.
Explanation:
Answer:
33/7
Explanation:
1. take the fraction and multiply the denominator by 4 to get 28
2. add the numerator to that... 28+5=32
calculate the ph of a solution having [OH-] = 8.2 x 10 ^-8M
Answer:
6.91Explanation:
To find the pH we must first find the pOH
The pOH can be found by using the formula
pOH = - log [ {OH}^{-} ]
We have
\(pOH = - log(8.2 \times {10}^{ - 8} ) \\ = 7.086186...\)
pOH = 7.09
Next we use the equation
pH = 14 - pOH
We have
pH = 14 - 7.09
We have the final answer as
6.91Hope this helps you
Name the following hydrocarbon compounds.
The naming of compound can be obtained by following the IUPAC principle. This is shown below:
For the 1st diagram:
Locate the longest continuous carbon chain. In this case it is carbon 5. Hence, the parent name is pentaneIdentify the substituent groups attached. In this case the substituent groups attached is two methyl, CH₃ Give the substituents the best possible low count. In this case, the two CH₃ is located at carbon 3Combine the above to obtain the IUPAC name for the compound.Thus, the IUPAC name for the compound is: 3,3-dimethylpentane
For the 2nd diagram:
Locate the longest continuous carbon chain. In this case it is carbon 5. Hence, the parent name is pentene since it contains a double bondIdentify the substituent groups attached. In this case there are no substituent groups attached.Thus, the IUPAC name for the compound is: pentene
For the 3rd diagram:
Locate the longest continuous carbon chain. In this case it is carbon 6. Hence, the parent name is hexaneIdentify the substituent groups attached. In this case the substituent groups attached is three methyl, CH₃ Give the substituents the best possible low count. In this case, two CH₃ are located at carbon 2 while the 3rd is located at carbon 3Combine the above to obtain the IUPAC name for the compound.Thus, the IUPAC name for the compound is: 2,2,3-trimethylhexane
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if 14.0 g aluminum hydroxide is used and 22.0 g of aluminum chloride is produced, what is the percent yield
The percent yield of the reaction is 46.2%.
The percent yield is a measure of the efficiency of a chemical reaction, and is calculated by comparing the actual yield (the amount of product actually obtained) to the theoretical yield (the amount of product that should be obtained based on stoichiometric calculations).
The balanced chemical equation for the reaction between aluminum hydroxide and hydrochloric acid is:
2Al(OH)3 + 6HCl → 2AlCl3 + 6H2O
From the equation, we can know that 2 moles of Al(OH)3 will produce 2 moles of AlCl3. We can now use this stoichiometric ratio to calculate the theoretical yield of AlCl3:
moles of Al(OH)3 = mass / molar mass = 14.0 g / 78.0 g/mol = 0.179 mol
moles of AlCl3 = 2 x moles of Al(OH)3 = 2 x 0.179 mol = 0.358 mol
mass of AlCl3 = moles of AlCl3 x molar mass = 0.358 mol x 133.3 g/mol = 47.7 g
The theoretical yield of AlCl3 is hence 47.7 g.
To calculate the percent yield, we need to divide the actual yield (22.0 g) by the theoretical yield (47.7 g) and multiply by 100:
percent yield = actual yield / theoretical yield x 100
percent yield = 22.0 g / 47.7 g x 100
percent yield = 46.2%
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Why are triacylglycerols the major form of stored energy instead of glucose? Choose one or more: A. The fatty acids of a triacylglycerol have fewer carbons than a molecule of glucose, so it is easier to completely metabolize. B. Triacylglycerols are highly soluble in blood serum so can be readily transported. C. The hydrophobic nature of triacylglycerols means that they are not solvated by water and therefore have less mass per unit volume. The greater energy density translates into more energy stored in the same volume. D. Fatty acids are at a higher reduction state than that of glucose and therefore yield more energy for the same number of carbons upon oxidation.
Triacylglycerols are the major form of stored energy instead of glucose because they have a higher energy density due to their hydrophobic nature, they can be easily transported in the blood serum, and they yield more energy per carbon upon oxidation compared to glucose.
Triacylglycerols are more advantageous as a stored energy form compared to glucose for multiple reasons. Firstly, triacylglycerols have a higher energy density because of their hydrophobic nature. They are not solvated by water and therefore have less mass per unit volume, allowing for more energy to be stored in the same volume.
Secondly, triacylglycerols are highly soluble in blood serum, enabling efficient transportation to different parts of the body where energy is needed. This solubility facilitates the mobilization and delivery of stored energy to meet metabolic demands.
Lastly, the fatty acids in triacylglycerols are at a higher reduction state compared to glucose. This higher reduction state means that fatty acids yield more energy per carbon upon oxidation. Thus, the oxidation of fatty acids in triacylglycerols provides a greater amount of energy compared to the oxidation of glucose, making them an efficient energy source for the body.
Overall, the combination of higher energy density, easy transportability, and greater energy yield per carbon make triacylglycerols the preferred form of stored energy in the body compared to glucose.
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Name the following covalent molecules:
SeF
Answer:
do you mean DeF?
Explanation:
What is the volume of 8.8g of carbon dioxide at STP?
The volume of 8.8g of carbon dioxide at STP is 4.38 L.
At STP, what is 22.4 L?1 mole of any gas will take up 22.4 L of space at standard temperature and pressure (STP). A balanced chemical equation and the Ideal Gas Law can be used to determine the amount or mass of gas consumed or created in a chemical process.
n = m/M
where m is the molar mass of carbon dioxide and M is its mass in terms of molecules.
Considering that the molar mass of carbon dioxide is 44.01 g/mol:
n = 8.8 g / 44.01 g/mol
n = 0.1998 mol
Next, we can plug in the values of n, R, P, and T into the ideal gas law and solve for V:
V = (nRT)/P
V = (0.1998 mol x 0.0821 L·atm/(mol·K) x 273.15 K) / 1 atm
V = 4.38 L
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Define Kelvin's Temperature.
Answer:
Is an absolute temperature scale with zero at absolute zero
5. What are the SI base units for length and mass?
The SI (International System of Units) is the modern metric system of measurement and it is used worldwide in scientific and technical fields.
The SI has seven base units, which are defined as follows: Length: The base unit of length is the meter (m). It is defined as the distance traveled by light in vacuum during a time interval of 1/299,792,458 of a second. Mass: The base unit of mass is the kilogram (kg). It is defined as the mass of the international prototype of the kilogram, which is a platinum-iridium cylinder kept at the International Bureau of Weights and Measures (BIPM) in France. The other five base units of the SI are: Time: The base unit of time is the second (s). The base unit of electric current is the ampere (A). It is defined as the constant current that, if maintained in two parallel conductors of infinite length, of negligible cross-section, and placed 1 meter apart in vacuum, would produce a force between the conductors of exactly 2 x 10^-7 newton per meter of length. Thermodynamic temperature: Luminous intensity: The base unit of luminous intensity is the candela (cd). It is defined as the luminous intensity, in a given direction, of a source that emits monochromatic radiation of frequency 540 x 10^12 hertz and that has a radiant intensity in that direction of 1/683 watt per steradian.
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