Answer:
3
Explanation:
3 ampers (it says in the problem)
The activation of the serine/threonine protein kinase akt requires phosphoinositide 3-kinase (pi 3-kinase) to:______.
The activation of the serine/threonine protein kinase akt requires phosphoinositide 3-kinase (pi 3-kinase) to create phosphorylated lipids that serve as docking sites that localize Akt to the plasma membrane.
Ak strain changing is the meaning of the word Akt. The term "Akt" first appeared in 1928, when J. Furth conducted research on mice that spontaneously generated thymic lymphomas.
An essential enzyme in the signaling pathway that controls how cells react to insulin as well as other growth stimuli is called phosphoinositide 3-kinase (PI3K). To create phosphatidyl-inositol-3,4,5-trisphosphate (PIP3) at the plasma membrane, one such enzyme phosphorylates phosphatidylinositol-4,5-bisphosphate in the third carbon in the molecule.
Therefore, The activation of the serine/threonine protein kinase akt requires phosphoinositide 3-kinase (pi 3-kinase) to create phosphorylated lipids that serve as docking sites that localize Akt to the plasma membrane.
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Need help with #1 and #2
Answer:
To calculate half life, divide original value by 2.
1.
FOUR HALF LIVES = divide original value by 2, 4 times.
40÷ 2 = 20
20 ÷ 2 = 10
10 ÷ 2 = 5
5 ÷ 2 = 2.5g
2. AFTER TEN DAYS (TWO HALF LIVES)
140 ÷ 2 = 70
70÷ 2 = 35g
AFTER TWENTY DAYS (FOUR HALF LIVES)
140 ÷ 2 = 70
70 ÷ 2 = 35
35 ÷ 2 = 17.5
17.5 ÷ 2 = 8.75g
What is cholesterol and how does it affect our body?
Answer:
Cholesterol is a waxy substance found in your blood. Your body needs cholesterol to build healthy cells, but high levels of cholesterol can increase your risk of heart disease. With high cholesterol, you can develop fatty deposits in your blood vessels.
Explanation:
Answer:
Cholesterol is a waxy substance found in your blood. It can affect our bodies in many ways. If you have high levels of cholesterol it can increase your risk of heart disease. Your body needs it to help build healthy cells.
Explanation:
Hope this helps:)...if not then sorry for wasting your time and may God bless you:)
Can anybody help me asap pls
Answer:
Here is ur answer...
Explanation:
2) Half-filled d orbital increases the stability of the element.
given that the nucleophilic substitution reaction used 5.0 ml of t-pentyl alcohol and 12.0 ml of conc. hydrochloric acid to produce t-pentyl chloride, what is the theoretical yield of t-pentyl chloride, in grams? please report your answer to the correct number of significant figures; do not include units. iupac name of t-pentyl chloride is 2-chloro-2-methylbutane
The theoretical yield of t-pentyl chloride is calculated to be 4.90 g
As the volume of t-pentyl alcohol is 5 ml and the standard density of t-pentyl alcohol is 0.805 g/ml, the mass can be calculated as follows;
density = mass ÷ volume
mass = volume × density
mass = 5 mL × 0.805 g/mL
mass = 4.03 g
The volume of HCl used is 12 mL,
Since 1 mole of t-pentyl alcohol yields t-pentyl chloride, therefore, 88.15 g of t-pentyl alcohol reacts with concentrated HCl to yield 106.59 g pf t-pentyl chloride.
(106.59 × 4.03) ÷ 88.15 = 4.90 g
Hence, the theoretical yield of t-pentyl chloride is 4.90 g
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A chemical property is a change in _____.
hardness
density
composition of matter
physical state
Answer:
Composition of matter
Maeve plotted her data from CLK and obtained the equation y=7,756x-16.8 for her trendline. Using Maeve's equation, what is the activation energy, Ea, in kJ/mol for this reaction? R=8.314 J mol-1 K-1. Please use the Arrhenius equation to find the activation energy.
The activation energy, Ea, for this reaction is -64.486 kJ/mol.
The activation energy, Ea, in a reaction can be determined by using the Arrhenius equation. The Arrhenius equation is given as:
k = A e^(-Ea/RT),
where k is the rate constant, A is the pre-exponential factor, Ea is the activation energy, R is the gas constant, and T is the temperature in Kelvin.
Maeve's equation, y = 7,756x - 16.8, is in the form of y = mx + b, where m is the slope and b is the y-intercept. In this case, the slope, m, is equal to -Ea/R.
We can rearrange the equation to solve for Ea:
Ea = -mR
Substituting the given values for m and R:
Ea = -(7,756)(8.314 J mol-1 K-1)
Ea = -64,486.264 J/mol
Since we want the activation energy in kJ/mol, we can divide by 1000:
Ea = -64.486 kJ/mol
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Is using a fuel cell to separate water into hydrogen and oxygen a physical or chemical separation?
using a fuel cell to separate water into hydrogen and oxygen is chemical separation.
fuel cell uses concept of called reversible electrolysis for seperation.The process of separating water into hydrogen and oxygen is known as electrolysis. An electrolyte separates the anode from the cathode in a fuel cell. Different types of electrolyte and the ionic species they conduct play a major role in how different fuel cells operate.At the anode, water reacts to produce positively charged hydrogen ions and oxygen (protons).The hydrogen ions move arbitrarily across the to the cathode as the electrons go through an external circuit.Hydrogen gas is created at the cathode when hydrogen ions and electrons from the external circuit combine.In order to reach the Hydrogen Energy Earthshot objective of lowering the price of clean hydrogen by 80% to $1 per kilogramme in ten years, electrolysis is a primary method of hydrogen production.Learn more about electrolysis here:
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7. What is the name of: CH3-CH(CH3)-CH2- alky group? *
isopropyl
propyl
sec-butyl
butyl
Answer:
propyl
1-propylmethane or 2-methylpropane
PLEASE HELP!!!!!!! (in a few minutes please)
B
Hope this helped you, have a good day bro cya)
Answer: Although metamorphic rocks typically form deep in the planet's crust, they are often exposed on the surface of the Earth.
Explanation:
the atmospheric pressure on a mountain is 550 mmHg and 1 atm is equal to 760 mmHg. what is the pressure in atm? give your answer to 2 significant figures.
___ atm
Answer: 0.72
Explanation:
550 mmHg x 1 atm/ 760 mmHg = 0.72 atm
What is the scientific meaning of the following sentence: lemon juice is an acid
The scientific meaning of the sentence "lemon juice is an acid" is that lemon juice has a low pH level and can donate hydrogen ions (H+) in solution.
Acid is a substance that has a pH value of less than 7. The pH of pure water is 7, whereas lemon juice is an acid because it has a pH value of 2.3 to 2.5.
Lemon juice gets its acidic properties from citric acid, which makes up about 5% to 8% of its composition.Citric acid can donate protons or H+ ions, which can lower the pH of the solution. Therefore, lemon juice is an acid.
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define vapor pressure
Vapour pressure is a measure of the tendency of a material to change into the gaseous or vapour state, and it increases with temperature
In the combustion of methane, 810 kilojoules per mole (16 grams) is released. Compare this with the fission of uranium-235. The fission of uranium-235 releases 107 kilojoules per mole.
How much mass is lost in the fission reaction?
∆m = E/C2 (where c = 3.00 × 108 m/s)
1.189 x 10⁻¹² kg is lost when uranium-235 undergoes fission
In a fission reaction, the nucleus of an atom is broken down into two smaller particles. This is usually seen in heavy and unstable nucleiThe fission of uranium-235 releases 107 kJ/mol
We know that the formula for mass-energy equivalence is
E=mc²
c = 3 x 10⁸ m/s
107000 J= m x (3 x 10⁸ m/s)²
107000 = m x 9 x 10¹⁶
m = 1.189 x 10⁻¹² kg
In the fission of 1 mole of uranium, 1.189 x 10⁻¹² kg is lost in the reaction
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Answer:
edmentum sample answer
Explanation:
Balance the reaction which forms ions. Choose "blank" if no coefficient other than 1 is needed. ZnBr2 what Zn + + what Br-
1 or 2 or black
Answer: \(ZnBr_2\rightarrow Zn^{2+}+2Br^-\)
Explanation:
For formation of a neutral ionic compound, the charges on cation and anion must be balanced. The cation is formed by loss of electrons by metals and anions are formed by gain of electrons by non metals.
Here zinc is having an oxidation state of +2 called as \(Zn^{2+}\) cation and bromide is an anion with oxidation state of -1. Thus 2 atoms of \(Br^-\) will combine with one \(Zn^{2+}\) and written in simplest whole number ratios to give neutral \(ZnBr_2\)
\(ZnBr_2\rightarrow Zn^{2+}+2Br^-\)
In Beaker A, an antacid tablet is added to 50 mL of 20ºC water. In Beaker B, an antacid tablet is added 50 mL of 70ºC water. In which beaker will the reaction occur faster?
B
both will occur at the same rate
A
In Beaker A, an antacid tablet is added to 50 mL of 20ºC water. In Beaker B, an antacid tablet is added 50 mL of 70ºC water reaction occur faster in the beaker B
Antacid tablet are the medicine for acid in the stomach to relieve indigestion and heartburn and in the given data in beaker A the antacid tablet is added in 50mL of 20ºC water and then in beaker B an antacid tablet is added 50 mL of 70ºC water then in beaker B the reaction will occur fast because in beaker B the temperature of water is more than beaker A so the antacid tablet will dissolve fastly in more temperature than in less temperature
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which of the following will always cause the greatest increase in the solubility of a gas in a liquid? increasing the pressure of the gas above the liquid and raising the liquid temperature decreasing the pressure of the gas above the liquid and raising the liquid temperature decreasing the pressure of the gas above the liquid and lowering the liquid temperature increasing the pressure of the gas above the liquid and lowering the liquid temperature decreasing the pressure of the gas above the liquid with no temperature change of the liquid
Decreasing the temperature of the liquid while increasing the pressure of the gas will not cause as great of an increase in solubility as increasing the pressure alone.
The solubility of a gas in a liquid is directly related to the pressure of the gas above the liquid. Therefore, increasing the pressure of the gas above the liquid will always cause the greatest increase in the solubility of a gas in a liquid. This is known as Henry's Law, which states that the solubility of a gas in a liquid is directly proportional to the pressure of the gas above the liquid. As the pressure of the gas increases, more gas molecules are forced into the liquid, increasing the solubility. Temperature also affects solubility, but it is not as significant as pressure. As the temperature of a liquid increases, the solubility of a gas generally decreases. Therefore, decreasing the temperature of the liquid while increasing the pressure of the gas will not cause as great of an increase in solubility as increasing the pressure alone.
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Type of introduction
Answer:
Five Types of Introductions.
“Inquisitive” Explain why your subject is important, curious, or interesting.
“Paradoxical” Explain what aspects of your subject seem improbable. ...
“Corrective” Explain how your subject has been misunderstood or misrepresented by others. ...
identify the major organic product expected from the acid-catalyzed dehydration of 2-methyl-2-pentanol
The major organic product expected from the acid-catalyzed dehydration of 2-methyl-2-pentanol is 2-methyl-2-pentene.
This reaction involves the elimination of water from the alcohol in the presence of an acid catalyst, leading to the formation of a double bond (alkene). A dehydration reaction in chemistry is a chemical process in which the reacting molecule or ion loses water. The opposite of a hydration reaction, dehydration reactions are frequent processes. Alcohols can be converted into alkenes by dehydrating them.
A crucial reaction in turning biomass into liquid fuels is this one, among others. One basic example is the transformation of ethanol into ethene. Without acid catalysts like sulfuric acid and certain zeolites, the process is sluggish. Some alcoholic beverages might cause dehydration. Aldols, or 3-hydroxylcarbonyls, release water when left at ambient temperature.
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What is both found in the outer core and mantle of the earth
Answer:
the Mantle
Explanation:
Answer:
Molten lava
Explanation:
I'm learning the same thing :)
the average diameter of an adult human eyeball is 24mm what is the diameter in dm
Answer: 0.24 dm
Explanation:
What are the Oxidation numbers for H2AsO4-
i cant understand your question define briefly
Hydrogen gas is produced for rocket fuel by taking methane, or CH4, and reacting it with steam (water vapor). The other product is carbon dioxide. How many liters of hydrogen gas can be produced (at STP) if 45.5 grams of methane are reacted with plenty of steam
To determine the volume of hydrogen gas produced when 45.5 grams of methane (CH4) reacts with plenty of steam, we first need to write the balanced chemical equation for the reaction.
When steam (water vapor) is involved in a chemical reaction, it is important to consider its gaseous form, which is water vapor (H2O) in this case. Therefore, the balanced chemical equation for the reaction between methane and steam. From the equation, we can see that 1 mole of methane reacts with 2 moles of water (steam) to produce 4 moles of hydrogen gas.To calculate the volume of hydrogen gas produced, we need to determine the number of moles of methane and then use the stoichiometric ratio to find the moles of hydrogen gas.
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if 0.01 mol neon gas at a particular temperature and pressure occupies a volume of 0.225 L. what volume would 0.05 mol neon gas occupy under the same conditions
If 0.01 mol of neon gas at a particular temperature and pressure occupies a volume of 0.225 L, then 0.05 mol of neon gas would occupy a volume of 1.125 L under the same conditions.
Given:
Number of moles of neon gas (n₁) = 0.01 mol
Volume of neon gas (V₁) = 0.225 L
We are required to find the volume of neon gas (V₂) when the number of moles (n₂) is 0.05 mol under the same conditions.
The relationship between the number of moles, volume, and pressure of a gas is given by the ideal gas law: PV = nRT, where P is the pressure, V is the volume, n is the number of moles, R is the ideal gas constant, and T is the temperature.
Since the temperature and pressure are the same in this case, we can rearrange the ideal gas law equation to solve for the volume:
V = (n₁ * V₁) / n₂
Substituting the given values into the equation:
V₂ = (0.01 mol * 0.225 L) / 0.05 mol
V₂ = 0.00225 L / 0.05 mol
V₂ = 0.045 L/mol
Therefore, 0.05 mol of neon gas would occupy a volume of 1.125 L under the same conditions.
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Which substance is an electrolyte? insulin cortisol potassium epinephrine glucose
The substance that is an electrolyte is: potassium
In chemistry an electrolyte is known as a substance or compound that has the capacity of being an electrical conductor when it is dissolved into a solution with water. Some examples of electrolytes are: potassium, common salt (NaCl), calcium.
What is a solution?
In chemistry a solution is known as a homogeneous mixture of two or more components called:
Solvent: it usually is in a major amount than the soluteSolute: it usually is in less amount than the solvent
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an unidentified element has many of the same physical and chemical properties as chlorine and bromine but has a higher atomic mass than either of these elements. what is the most likely identity of this element?
The most likely identity of this element is beryllium.
Bromine and chlorine belong to the same group and therefore have similar chemical properties. The unidentified element shares many of the same physical and chemical properties as sodium and rubidium but has a lower atomic mass than either of these elements. The element with atomic number 35 is bromine.
Chlorine and bromine belong to the same group and therefore have similar properties. There are elements in nature that have not yet been created or discovered, but scientists already know what they are and can predict their properties. For example, element 125 is not observed, but if it is it will appear in a new row of the periodic table as a transition metal.
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Volcanic belts form along a. islands in the Pacific Ocean. b. North American mountain ranges. c. the boundaries of Earth's plates. d. the coast of Antarctica. Please select the best answer from the choices provided
Answer:
a. islands in the Pacific Ocean.
Explanation:
A volcanic belt is a large region of intense volcanic activity.
We can clearly see that volcanic belts are regions where volcanic activity is maximum. Volcanic belts are characterized by eruptions of gases, ash, rock, lava etc.
Such eruptions push magma to the earth's surface at high temperature. The area around the Pacific that is prone to volcanic activities is generally referred to as the 'ring of fire'.
Along the boundary of the Earth's plates, volcanic belts develop. Huge chunks of the crust diverge (pull apart) or converge (push together) at plate boundaries. Because of this, the crust frequently breaks, enabling magma to rise to the surface. It is formed along islands in the Pacific Ocean. The correct option is a.
The Alpide Belt, which spans from the Azores through the Mediterranean and Middle East to the Himalayas and Indonesia, where it joins the Circum-Pacific Belt, and the Circum-Pacific Belt itself are the two main seismic belts that encircle the Pacific Ocean.
On land and in the oceans, tectonic plate boundaries are home to the majority of the planet's volcanoes. Volcanoes on land develop when one tectonic plate slides beneath another. A thinner, heavier oceanic plate typically subducts beneath a thicker continental plate.
Thus the correct option is a.
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a balloon which contains 5.22 moles of helium, how many grams of helium is present in the balloon? *
5.22 moles of helium have a mass of 20.9 g.
What is the molar mass?The molar mass is the sum of the total mass in grams of all the atoms that make up a mole of a particular molecule.
We have 5.22 moles of helium and we want to convert it to grams. We will use the following expression.
m = n × M
m = 5.22 mol × 4.00 g/mol = 20.9 g
where,
m is the mass.n is the number of moles.M is the molar mass.5.22 moles of helium have a mass of 20.9 g.
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Formulating an Investigative Question
In this experiment, you need to examine the idea of thermal energy transfer. Using a controlled experiment, what might a good question about the variables that affect thermal energy transfer be? Thermal energy transfer depends on many properties, but limit your question to only two.
The thermal conductivity and temperature difference between the surrounding and the entity plays a vital role in thermal energy transfer between the materials.
What is Thermal energy concept ?The concept of thermal energy transfer involves the mode of transfer of heat energy from one particle to another.
Considering the three modes of heat transfer that are conduction, convection and radiation, each of these considers two major variables that includes :
Temperature differenceThermal conductivityThe two scientific questions based on the above properties are given as follows:
1. A graphite sheet at 298 K and 0.5 cm thickness radiates some amount of heat when exposed to a temperature of 313 K. Calculate the heat flux.
2. 500 J of heat is passed through an rectangular aluminum sheet of thickness 5 mm. Calculate the temperature difference between the surrounding and the sheet.
Thus, we can conclude that thermal energy transfers accounts for different ways of transferring the heat energy between the entities. These methods considers temperature difference and thermal conductivity as prime variables.
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Someone pls help me I will make you Brainly
Answer:
Explanation:
A: from zero to two seconds
B: from two to four seconds
C: from eight to ten seconds because the slope is more negative at this interval (the slope is more steep)
D: I think that you should show some more part of the question for me to answer this question. What dies it say above the graph?