How many moles of cacl2 will be produced from 3.572 g of ca (oh) 2 reacting with hcl

hands are very cold and the cup is very hot, heat energy transfers from the cup to her hands because

Explain the process and purpose of strip cropping

Which of the following is a change from a less condensed to a more condensed state of matter? A.) Boiling B.) Evaporating C.) Condensation D.) Melting

This is urgent! Does the element Francium have a smell or taste?

Which is usually associated with a slower reaction rate? A. using a whole solid in the reactants B. adding heat energy to the reactants C. adding food coloring to the reactants D. using a strong solution of the reactants

How many elements are in one molecule of Methane? How many elements are in one molecule of Ammonia? How many elements are in one molecule of Vinyl Alcohol? How many elements are in one molecule of Ethylene?

A banana split contains 1.12 million calories. What is the energy value in kilojoules? a. 1.12 kJ b. 4.686 x 10^3 kJ c. 4686 kJ d. 2.68 x 10^5 kJ e. 268 kJ

2 grams of a substance was dissolved in 75.0 g of water resulting in a temperature decrease from 23.1 ⁰C to 18.7 ⁰C. The specific heat of the solution is 4.18 J/g·⁰C. Calculate the amount of heat associated with the water.

Why do you think the soccer ball fell more slowly than the golf ball

Which of the following is an example of chemistry research in the main area of energy?. a. producing bioplastics. b. specific reactions between prescription drugs and chemicals in cells. c. developing rechargeable batteries. d.