Which change is exothermic?

a: Icebergs shrink as global temperature rises

b: Solid water turns to liquid water as energy is added

c: Rain becomes sleet when the temperature falls below 0°C

Give an example of a state function and explain why it is a state function

What factors does the climate include? Question 2 options: amount of precipitation, average temperature temperature and warmth amount of rainfall, amount of habitat destruction the weather forecast during the week

Compare the mass number and atomic number for isotopes of an element

Explain the serious problem initially associated with Rutherfords atomic model

The base-dissociation constant, Kb, for aniline is 4.3 * 10-10. What is the acid-dissociation constant for the conjugate acid of aniline? 2.3 * 10-5 9.5 * 10-4 4.3 * 105 7.5 * 10 - 11

The specific heat of aluminum is 0.897 J/g•°C. Which equation would you use to calculate the amount of heat needed to raise the temperature of 0.75 g of aluminum from 7°C to 29°C? A. Q = 0.75 g x 0.897 J/g•°C x 22°C B. Q = 0.75 g x 0.

Carbon dating advisable for measuring materials ages for a few years, thousands of years, millions of years

What is the pH of a solution with [H+] = 7.0 x 10^-2?

A compound is a pure substance made of 2 or more types of elements that are chemically bonded True or false

In a chemical reaction, 300 grams of reactants are combined with 100 grams of reactant b. both a and b react to completion. how much will the product weigh