Chemistry, 29.10.2019 14:31, ChanceJ

Which statement is true if the (triangle here)hrxn of a reaction is positive?
the reaction is endothermic.
the reaction is exothermic.
there is more reactant than product.
there is more product than reactant.

Answers: 1

Show answers

Other questions on the subject: Chemistry

Chemistry, 23.06.2019 06:30, morganzahn16

1.17 mol hcl and 2.5 mol naoh react according to the equation hcl + naoh -> nacl + h2o . if the limiting reactant is hcl, determine the amount of excess reactant that remains. answer in units of mol.

Answers: 1

continue

Chemistry, 23.06.2019 10:30, krlx

When a chemist collects hydrogen gas over water, she ends up with a mixture of hydrogen and water vapor in her collecting bottle. if the pressure in the collecting bottle is 97.1 kilopascals and the vapor pressure of the water is 3.2 kilopascals, what is the partial pressure of the hydrogen?

Answers: 1

continue

Chemistry, 23.06.2019 14:30, Knownothing

2.38g of black copper (ii) oxide is completely reduced by hydrogen to give copper and water. what are the masses of copper and water formed? ?

Answers: 1

continue

Chemistry, 23.06.2019 15:50, tatiaa2155

Many radioactive atoms that have large masses undergo radioactive decay by releasing a particle that is identical to a helium-4 nucleus. what changes in the original atom are expected as a result of this natural phenomenon? the atomic number and the mass number will decrease. the atomic number and the mass number will increase. the atomic number will increase, and the mass number will decrease. the atomic number will decrease, and the mass number will increase.

Answers: 2

continue

Do you know the correct answer?

Which statement is true if the (triangle here)hrxn of a reaction is positive?
the reaction i...