Solve the following: 2.05 x 102 - 1.02 x 101

Fred has a large piece of sugar that is not dissolving in his drink. How could he get the sugar chunk to dissolve faster?

In a redox reaction, what happens to a substance's charge when it is oxidized?

Matter does NOT exist in which form?

Given the balanced equation representing a reaction: CH3CH2CH3 + Br2==> CH3CH2CH2Br + HBr This organic reaction is best classified as (1) an addition reaction (2) an esterification reaction (3) a polymerization reaction (4) a substitution reaction

Which statements are scientific statements? Select all the correct answers. People who drive red cars are more prone to accidents. Children from families that have pets are more likely to develop allergic reactions.

Definition of a chemical property

Which explanation best compares the movement of particles in the three states of matter? A. Particles in a gas can only vibrate. In a solid, they slide against each other. In a liquid, they move freely, bouncing and bumping into each other. B.

What is the molecular formula of the compound with a molecular weight of 112 g/mol and percent composition: 85.6% c and 14.4 % h

Calculate the enthalpy of combustion, δh∘comb, for c6h14. you'll first need to determine the balanced chemical equation for the combustion of c6h14. express your answer to four significant figures and include the appropriate units.

Complete this equation for the dissociation of NH4NO3 (aq).