Science

Ms. Lewis is a chemist mixing two solutions together. A chemical reaction takes place, and the solution becomes warm. Which statement best describes what has happened?

A. Energy has been created in the form of thermal energy
B. Energy has been transformed from one form to another
C. More energy has been created than has been destroyed
D. The chemical energy of the solution has been destroyed

  1. 👍
  2. 👎
  3. 👁
  1. B.

    1. 👍
    2. 👎
  2. ghhf

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. Science - Please Look!

    The senses are used to make which of the following? inferences predictions evaluations ((**observations**)) You walk into the kitchen and see a broken egg on the floor. Which of the following is an inference you can make based on

  2. chemistry

    In the reaction CaO(s) + SO2(g) ---> CaSO3(s) (Hint: try drawing the Lewis structures of SO2 and SO32-) a. ) Ca2+ acts as a Lewis base, and SO32- acts as a Lewis acid. b. ) SO32- acts as a Lewis base, and SO2 acts as a Lewis acid.

  3. Physical Science

    Which of the following statements are true about chemical reactions? Check all that apply. A. Reactants are on the right when writing a chemical reaction. B. Products are produced in a reaction. C. Reactants are present at the end

  4. chemistry

    will the following solutions be acidic, neutral, or basic? Write the net ionic equation for any reaction that takes place. NH4Cl, KHCO3, LiClO4, NH4NO3, H2CO3, LiClO2, Ba(NO3)2

  1. Chemistry

    The following chemical reaction takes place in aqueous solution: MnBr2(aq) + 2KOH (aq) → Mn(OH)2 (s) + 2KBr (aq) Write the net ionic equation for this reaction.

  2. Science

    1. what is a single replacement reaction A. A reaction in which two or more substances react to form a single substance*** B. A reaction in which one element takes place the place of another element in a compound. C. A reaction in

  3. chemistry

    A chemist determined by measurements that 0.0850 moles of mercury participated in a chemical reaction. Calculate the mass of mercury that participated in the chemical reaction. Round your answer to 3 significant digits.

  4. science

    A chemist mixes two liquids together. The reaction produces a gas and a solid. According to the law of conservation of mass, what should the chemist observe when she compares the total masses of the substances before and after the

  1. Chemistry

    1.86 g of ethanol reacts with 10.0 g of oxygen. What is the total volume of gas present (in L) after the reaction is complete, assuming the reaction takes place at 1.00 atm and 25oC?

  2. chemistry

    In the reaction CaO(s) + SO2(g) ---> CaSO3(s) (Hint: try drawing the Lewis structures of SO2 and SO32-) a. ) Ca2+ acts as a Lewis base, and SO32- acts as a Lewis acid. b. ) SO32- acts as a Lewis base, and SO2 acts as a Lewis acid.

  3. chemistry

    A student mixes two aqueous solutions, whose masses are 30.0 g and 35.0 g, together. Each solution is initially at a temperature of 25.0°C. Upon mixing the solutions, a chemical reaction occurs. The final solution has a

  4. chemistry

    Consider the following reaction. SO3(g) + H2O(l) → H2SO4(aq) A chemist allows 60.9 g of SO3 and 11.1 g of H2O to react. When the reaction is finished, the chemist collects 54.4 g of H2SO4. Determine the limiting reactant,

You can view more similar questions or ask a new question.