Imagine there is a carbon reservoir that holds 12,500 GtC. The flux out of this reservoir is 50 Gt/C/year. What is the turnover time of this reservoir?   a. 10 years   b. 50 years   c. 250 years   d. 1000 years

Q: 1. Mass of copper 2. Reaction 1: Cu + 4 HNO, Cu(NO3)2 + 2 NO₂ + 2 H₂O a. Formula of the brown gas b.…

A: 1. Mass of copper will be the mass that you have taken for the reaction.

Q: Can some one help !! Can someone dump down what is a catalysts and enzymes in chemistry I’m a visual…

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Q: 1. Consider the following redox reaction: I3 + 2 S203? → S4O6²- + 3 I a. If the reaction begins with…

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Q: Which of the following is NOT required for a reaction to occur? 1.The reactants must surpass the…

A: 1) The reactants must surpass the activation energy required for the reaction. This statement is…

Q: What is an intermediate in this reaction? Br2 Br-Br Br Br В. С. Br D. O C O D O A B A.

A: This reaction is bromination of alkene.*

Q: 5 25 Free Energy (kcal/mol) 15 B. Reaction progress Use the reaction energy diagram above to answer…

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Q: Consider the following three statements about transition states: 1.) The energy necessary to…

A: Transition states  1. The energy necessary to generate the transition states is the same as the…

Q: Use the reaction coordinate diagram shown below to answer questions 4-5. Step 2 Step 1 Step 3 SM…

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Q: 12. The amount of energy given out when a reaction occurs is d. kinetic energy e. potential energy…

A: Answer:Reactions can be classified on the basis of energy exchange during the chemical reaction and…

Q: t has been stated that cars cause the most pollution on short journeys. Evaluate this statement in…

A: The given reaction is : H2O + (NH2)2CO ⇌ 2NH3 + CO2        ∆H=+113 kJ/mol

Q: Step 1: Cl(g) +03(g) Step 2: O(g) +CIO(g) → Cl(g) + O2(g) 1. Which of the following is an…

A: Intermediate is a molecular entity that is formed from the reactants and reacts further to give the…

Q: 22. The reactants in a formation reaction can be elements or compounds as long as they are in their…

A: It is given a statement.we have to select true or false.

Q: performed on a chemical reaction will lower it's activation energy? i) increasing the concentration…

A: Activation energy is the minimum amount of energy needed by the molecules to complete /happen a…

Q: All changes saved 10 The rate of a reaction depends on many factors such as the concentration of the…

A: Rate of reaction depends on concentration of reactant.  Increase in concentration of reactants,…

Q: Increasing the temperature of a reaction   a. increases the rate by increasing the percent of…

A: Increasing the temperature of reaction increases the kinetic energy of the reactants.

Q: Identify the parts of the following energy diagram. reactants 1. A activation energy 2. B products…

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Q: O2 consumed by an individual (CO2 exhaled in liters)/(O2 inhaled in liters). It is used as a measure…

A: Answer- glycolysis . Of the 6 CO2 , 4 molecules of CO2 is produced in TCA cycle ,two molecules of…

Q: A catalyst affects the _____ of a reaction. a. rate b. activation energy c. temperature d. more…

A: Given answer of choices,   a. rate   b. activation energy   c. temperature   d. more than one choice…

Q: Nal + F,

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Q: 10. Consider the reaction 2A + B + 24.0 kJ ------ 2 C + D  with energy of activation of…

A: Activation energy is the minimum amount of energy needed to carry out the reaction and in the…

Q: O a. only when there are two alternate pathways to take. O b. by providing an alternate pathway for…

A: Kinetic energy is directly proportional to the temperature

Q: Which of the following factors can be a reason for yied percentage to be low? 1.Reactant impurities…

A: The question is based on the concept of reactions. We have to identify the reason for low yields.

Q: For the reaction: 4NH3 (g) + 7O2 (g) → 4NO2 (g) + 6H2 (g), if H2 is produced at a rate of 3.5 x 10-3…

A: Since from the above balanced reaction we can see that when 7 moles of O2 reacts we get 6 moles of…

Q: Find the rate of reaction increased when the temperature coefficient of a reaction is 3.The…

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Q: Which of the following statements is/are true (choose all that are correct)?   a. The energy of…

A: Given statements, a. The energy of activation is the same thing as the transition state.   b. The…

Q: 18. In an experiment, the data below was collected for this reaction: A +B -C+D initial speed [A]…

A: Answer :-  rate=k[A]2[B]  The rate law for given reaction is , rate=k[A]2[B]…

Q: An increase in vwhich of the following will occur if the reaction temperature is increased? 1.…

A: Collision theory of reaction rate: According to the collision theory of reaction rate, the randomly…

Q: The addition of a catalyst(s) is an extra step in the overall reaction. Which of the following…

A: Answer:- Catalyst is a substance which alters the rate of reactions by lowering the activation…

Q: 3. When 6 g of granulated Zn is added to a solution of 2 mol/L HCI in a beaker at room temperature,…

A: Collision theory it is fundamental to understanding the chemical reactions.. It posits that for a…

Q: The frequency factor in the Arrhenius equation can best be described as O a. a factor which corrects…

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Q: Which of the following will decrease the activation energy, Ea, of a reaction? O Increasing the…

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