Question 1 (1 point)
A block has a density of 1.73 g/mL. What is the block's density in mg/L?
172

Minerals with an electric charge called electrolytes are found in your body. They can be found in various bodily fluids such as urine, tissues, and blood.

Why are electrolytes important?

Electrolytes are crucial because they aid in:

The many electrolytes include sodium, calcium, potassium, chloride, phosphate, and magnesium. They come from the foods we consume and the liquids we drink.

The body's electrolyte levels might get too high or too low when the body's water balance changes. The amount of water we consume and lose should be equal. If something throws off this equilibrium, we can be dehydrated or have too much water on our body (overhydration).

The water balance can be thrown off by a number of factors, including some medications, nausea, diarrhea, perspiration, and liver or kidney issues.

We can regulate the imbalance with the aid of treatment. Additionally, the cause of the imbalance must be determined and addressed.

To learn more about electrolytes from the given link

https://brainly.com/question/17089766

#SPJ1

Answer:

869 g Cl₂O

Explanation:

To find the theoretical yield of Cl₂O, you need to (1) convert moles SO₂ to moles Cl₂O (via mole-to-mole ratio from reaction coefficients) and then (2) convert moles Cl₂O to grams Cl₂O (via molar mass). It is important to arrange the conversions/ratios in a way that allows for the cancellation of units (the desired unit should be in the numerator). The final answer should have 3 sig figs to reflect the sig figs of the given amount (10.0 moles).

1 SO₂ (g) + 2 Cl₂ (g) ----> 1 SOCl₂ (g) + 1 Cl₂O (g)

Molar Mass (Cl₂O): 2(35.453 g/mol) + 15.998 g/mol

Molar Mass (Cl₂O): 86.904 g/mol

10.0 moles SO₂         1 mole Cl₂O            86.904 g
------------------------  x  ----------------------  x  ------------------  = 869 g Cl₂O
                                    1 mole SO₂              1 mole

Measles is a communicable disease that requires immunization to prevent illness when exposed to it.

Measles is a communicable disease and highly contagious. It  is usually very serious in children. The disease can be contacted through droplets in the air, physical contact and through mother-to-child transmission.

It is a very serious disease as it is caused by a virus which replicates very fast in the throat and nose thereby creating symptoms such as runny nose, coughing, sneezing and is usually accompanied with a rash.

The severity and death rates is what gave rise to the creating of a measles vaccine which is usually given to babies after birth to make them immune to the potential exposure to the virus.

Diabetes, bronchitis and strep throat have no vaccine as they can always be treated or managed with over-the-counter drugs.

Read more on https://brainly.com/question/25249487

Answer:

Nucleic acid

Explanation:

Because nucleic acid is the molecule that carries genetic information because it helps to develop or functioning an organism

C12H22O11 (s) + 12O2 (g) ⇒ 12CO2 (g) + 11H2O (g)

Answer:

S<Se<Te

Br<Ni<K

F<Si<Ba

Explanation:

Answer:

Fuel and Oxygen

Explanation:

Based solely on the provided mass spectrometry data, it is not possible to conclusively identify the functional groups of Substance A and Substance B.

Based on the solubility and pH of Substance B's solution in water, it is likely that it may contain a weak acid functional group such as carboxylic acid or phenol.

The information given about Substance C indicates that it is an organic compound that can undergo oxidation reactions to produce two distinct products. This suggests that it may contain functional groups that are easily oxidized, such as alcohols, aldehydes, or ketones. Without additional information, it is not possible to narrow down the possibilities further.

Learn more about functional groups at: https://brainly.com/question/493841

#SPJ1

Answer:

105m

Explanation:

u=20m/s

g=10m/s^2

t=3s

s=ut+1/2gt^2at

s=20*3+1/2*10*3*3

s=105m

Answer:

Explanation:

1) Fe2O3 + 3 H2 -----> 2 Fe + 3 H2O Number of moles of Iron (III)oxide = 450 g / 159.69 g/mol = 2.82 mole

2) 0.0155 moles of hydrogen gas

3) oxide needed to produce 125 of oxygen is7.8 moles

4) 216.5894

5) K3PO4 and KNO3

The functional unit is called a system.

The stomach, small intestine, and large intestine are all organs. When they work together to process food, they form a functional unit known as a system. The correct option is b.

The living body performs many functions. These functions are performed by different systems of the body. There are many systems in the body.

These systems are digestive systems, reproductive systems, circulatory systems, etc. These systems run the body and make an organism.

Here, the stomach, small intestine, and large intestine are all organs of the digestive system. Digestive system digest the food that we eat and provides us energy and removes the waste material from the excretory system, which excretes it out of the body.

Thus, the correct option is b. system.

To learn more about the body system, refer to the below link:

https://brainly.com/question/13258877

#SPJ2

If single-replacement reactions take place, they can be predicted using the periodic table or an activity series. In a double-replacement process, the anions or cations of two ionic compounds are switched. In a double-replacement reaction known as a precipitation, one of the products is a solid precipitate.

Chemical reactions known as double displacement reactions occur when the reactant ions move around to create new products. Precipitate production often happens as a result of a double displacement process. Covalent or ionic chemical bonds may be present between the reactants.

The products of the given reaction are:

NaCN + HBr → NaBr + HCN

To know more about double replacement reaction, visit;

https://brainly.com/question/30783535

#SPJ1

Answer:

The statement means that in every interaction, there is a pair of forces acting on the two interacting objects. The size of the forces on the first object equals the size of the force on the second object. The direction of the force on the first object is opposite to the direction of the force on the second object. Forces always come in pairs - equal and opposite action-reaction force pairs. 

Explanation:

The statement means that in every interaction, there is a pair of forces acting on the two interacting objects. The size of the forces on the first object equals the size of the force on the second object. The direction of the force on the first object is opposite to the direction of the force on the second object. Forces always come in pairs - equal and opposite action-reaction force pairs. 

The radioactive decay is a first-order reaction. So, it is feasible to use the formula for the first-order reaction to find out how much of the radioactive isotope would be left after a specified time period.

The formula is given as:Nt = N0 x (1/2)^(t/t1/2)where Nt is the final amount of the isotope after a time period tN0 is the initial amount of the isotope at t = 0t1/2 is the half-life of the isotope The time is given as t = 21 years The half-life is given as t1/2 = 10 years The initial amount of the radioactive isotope is N0 = 100 grams Putting these values in the formula:Nt = N0 x (1/2)^(t/t1/2)Nt = 100 x (1/2)^(21/10)Nt = 100 x (1/2)^(2.1)Nt = 100 x 0.524Nt = 52.4 grams (approximately)

The formula for the first-order reaction is given as:Nt = N0 x (1/2)^(t/t1/2)where Nt is the final amount of the isotope after a time period tN0 is the initial amount of the isotope at t = 0t1/2 is the half-life of the isotope The time is given as t = 21 years The half-life is given as t1/2 = 10 years The initial amount of the radioactive isotope is N0 = 100 grams.Putting these values in the formula:Nt = N0 x (1/2)^(t/t1/2)Nt = 100 x (1/2)^(21/10)Nt = 100 x (1/2)^(2.1)Nt = 100 x 0.524Nt = 52.4 grams (approximately)Therefore, the number of grams of radioactive isotope left after 21 years would be approximately 52.4 grams.

To know more about radioactive isotope visit:-

https://brainly.com/question/28039996

#SPJ11

A buffer solution is an aqueous solution containing a weak acid and its corresponding weak conjugate base, or a weak base and its corresponding weak conjugate acid, that resists changes in pH upon the addition of acid or base. Buffer solutions are critical in the chemical and biological sciences as they preserve a stable pH within a narrow range under various conditions.

How to determine the mass of sodium benzoate to add to a benzoic acid solution to obtain a buffer with pH 4.30:Buffer equation:HC7H5O2(aq) + NaC7H5O2(aq) ↔ H2O(l) + C7H5O2‾(aq) + Na+(aq)pKa = -logKa = 4.20Hence, Ka = 10^(-pKa) = 7.94 x 10^(-5) mol/L. Starting with a 0.17 M benzoic acid solution, we can calculate the ratio of benzoic acid to benzoate at the desired pH using the Henderson-Hasselbalch equation: pH = pKa + log([C7H5O2‾]/[HC7H5O2])[HC7H5O2] = [C7H5O2‾]pH = 4.30, pKa = 4.20[HC7H5O2] = 0.17 M / (1 + 10^(pH - pKa))[HC7H5O2] = 0.17 M / (1 + 10^(4.30 - 4.20))[HC7H5O2] = 0.17 M / 1.24[HC7H5O2] = 0.137 M[C7H5O2‾] = 0.17 M - 0.137 M[C7H5O2‾] = 0.033 M.

Now, we can calculate the moles of benzoic acid and benzoate in the solution: mols HC7H5O2 = 0.137 M x 0.149 L = 0.020 mols C7H5O2‾ = 0.033 M x 0.149 L = 0.0049 mols. Since the acid and base are present in a 1:1 ratio, the mols of sodium benzoate that need to be added to the solution can be calculated: mols NaC7H5O2 = mols HC7H5O2 = 0.020 mols. Next, we can calculate the mass of sodium benzoate needed using its molar mass of 144.11 g/mol: mass NaC7H5O2 = mols NaC7H5O2 x molar mass NaC7H5O2mass NaC7H5O2 = 0.020 mols x 144.11 g/mol mass NaC7H5O2 = 2.88 g. Therefore, 2.88 g of sodium benzoate should be added to 149.0 mL of a 0.17 M benzoic acid solution to obtain a buffer with a pH of 4.30.

To know more about Henderson-Hasselbalch visit

https://brainly.com/question/31495136

#SPJ11

The magnitude of Δ for this complex is 2.40 x 10^4 kJ/mol.

We can use the relation between energy (E) and frequency (v) of light:

E = h*v

where h is the Planck's constant.

The frequency of light can be related to its wavelength (λ) and speed of light (c) as:

v = c/λ

where c is the speed of light.

We know that the absorption maximum for the d-d transition in \([Ti(H_2O)_6]^{3+}\)occurs at a wavelength of 500 nm. Therefore, the frequency of the absorbed light is:

v = c/λ = (3.00 x 10^8 m/s) / (500 x 10^-9 m) = 6.00 x 10^14 Hz

The energy of the absorbed light can be calculated using the first equation:

E = hv = (6.626 x 10^-34 Js) * (6.00 x 10^14 Hz) = 3.98 x 10^-19 J

We can convert this energy to kilojoules per mole using the Avogadro's number:

3.98 x 10^-19 J * (6.02 x 10^23 mol^-1) / 1000 J kJ^-1 = 2.40 x 10^4 kJ mol^-1

For more question on magnitude click on

https://brainly.com/question/30560692

#SPJ11

The magnitude of DELTA for the d-d transition in [Ti(H2O)6]3+(aq) is 26.4 kJ/mol. To calculate DELTA, we first need to calculate the frequency of the absorbed light

To calculate DELTA, we first need to calculate the frequency of the absorbed light using the formula E = hν, where E is the energy of the absorbed light, h is Planck's constant, and ν is the frequency of the light.

We can then use the formula c = λν, where c is the speed of light and λ is the wavelength of the absorbed light, to calculate the frequency. The wavelength of the absorbed light is given as 500 nm. Using these equations, we can calculate the frequency of the absorbed light to be 6.0 x 10^14 s^-1.

Next, we use the equation DELTA = hc/λ, where h is Planck's constant, c is the speed of light, and λ is the wavelength of the absorbed light, to calculate DELTA.

Substituting the values into the equation, we get DELTA = (6.626 x 10^-34 J s)(3.00 x 10^8 m/s)/(500 x 10^-9 m) = 39.8 x 10^-20 J. Converting the result to kJ/mol using Avogadro's number, we get 26.4 kJ/mol.

Learn more about Planck's constant here :

https://brainly.com/question/30763530

#SPJ11

Answer:

protons

Explanation:

btw you protons and electrons are always the same

prcAnswer:

e c. proton

Explanation:

i pueslist

Answer:

See below ↓

Explanation:

Answer:

hope it helps you

\( 172c{m}^{2} \)

Hey!!!

The answer of your question is Gas.

Explanations:

Solid have a fixed shape and volume.

Liquid have a definite volume but no definite shape

Gas neither have fixed shape nor a fixed volume.

Hope it helps...

Good luck on your assignment

Answer:

Criminal justice and forensic science are two degrees often pursued by those with a sincere interest in and passion for the criminal justice system. Indeed, a degree in either of these fields can eventually lead to a career in law enforcement in a number of capacities, including crime scene analysis, crime scene investigation, or as a forensic science technician.

Beyond this, however, is where the two areas of study begin to differ. While the study of criminal justice focuses on crime, it hones in on the causes of the crime, any responses by law enforcement agencies, and prevention methods to consider and employ in the future. As such, a student pursuing a degree in criminal justice can expect to take courses on law and legal theory, law enforcement philosophies and theories, sociology and criminal behavior, and others related to criminology. A developed understanding of concepts within each of these subfields can help a student of criminal justice apply this to real-world situations, and perhaps even obtain future employment as a police officer or detective, an FBI agent, an immigration officer, or any other member of a law enforcement agency.

In contrast to this, those studying forensic science will also examine crime, yet from an entirely different perspective. This field of study focuses on the application of science and scientific methods to understand all aspects of a crime, including the perpetrator and the causes. Those studying forensic science are certain to take courses in physical sciences, such as biology and chemistry, as well as others related to DNA and fingerprint analysis, crime scene procedure, and other types of forensic analysis. Because those working in the field of forensic science routinely interact with members of law enforcement, students will also likely take courses on forensic case reporting and investigation techniques. Although there is no one career path for a student of this field, possible future options include employment as a forensic pathologist, a toxicologist, an evidence technician, or even an intelligence analyst, depending on what level of education that student pursues.

I hope this much of information is helpful for you :)  

Explanation:

Stoichiometry is a branch of chemistry that deals with the quantitative relationship between the reactants and products in a chemical reaction. It involves the use of balanced chemical equations to determine the amount of product that will be formed for a given amount of reactant, and vice versa.A mole ratio is the ratio of the number of moles of one substance to the number of moles of another substance in a chemical reaction

. It is based on the stoichiometry of the reaction, which is determined from the balanced chemical equation.The mole ratio of a reactant and product can be used to determine the theoretical yield of a reaction, which is the amount of product that would be formed if the reaction were to go to completion.

It can also be used to determine the limiting reactant in a reaction, which is the reactant that is completely consumed and determines the amount of product that can be formed.

The mole ratio is an essential tool for understanding the quantitative aspects of a chemical reaction. It allows chemists to predict the amount of product that will be formed for a given amount of reactant and to optimize reaction conditions to achieve the desired yield of product.

To know more about mole visit :-

https://brainly.com/question/29367909

#SPJ11

Answer:

tolerate nutrient-poor soil.

The correct answer is c. Limestone. This is because limestone is a porous rock that can easily allow groundwater to flow through it, allowing contamination to travel farther distances compared to other subsurface formations like clay, granite, and gravel.

Additionally, the chemical composition of limestone can also make it more susceptible to certain types of contamination, such as from acidic or alkaline substances.
 The general type of subsurface formation in which groundwater contamination is likely to travel the farthest is:
d. Gravel

To know more about Limestone  click here .

brainly.com/question/30717890

#SPJ11

Answer:

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

\(volume = \frac{mass}{density} \\\)

From the question

mass = 2.34 g

density = 4.78 g/mL

We have

\(volume = \frac{2.34}{4.78} \\ = 0.4895397...\)

We have the final answer as

Hope this helps you

Answer:

D) 0.9 L

Explanation:

At constant temperature,

PV = Constant

so,

P1.V1 = P2. V2

101 × 2.1 = 235 × V2

V2 = 0.9 L

Answer:

0.9L

Explanation:

Given parameters:

Initial volume = 2.1L

Initial pressure  = 101kPa

Final pressure  = 235kPa

Unknown:

Final volume  = ?

Solution:

The relationship is between pressure and volume. To solve this problem, we apply Boyle's law which states that "the volume of a fixed mass of a gas varies inversely as the pressure changes if the temperature is constant".

Mathematically;

        P₁V₁  = P₂V₂

P₁ is the initial pressure

V₁ is the initial volume

P₂ is the final pressure

V₂ is the final volume

 Now insert the parameters and solve;

        2.1 x 100 = 235 x V₂

            V₂ = 0.89L

Answer:

Glucose and oxygen is produced during photosyntheis

Explanation:

Carbon dioxide and water are required for photosyntheis producing oxygen and glucose

Answer:

C.Glucose and oxygen