4) Terry's dog is racing down the lane in the part toward the east. The dog travels 36

meters in 18 seconds before it stops running. The velocity of the dog is.

A. 2 m/s east

B. 4 m/s east

C. 8 m/s east

D. 10 m/s east

Which of the following is not a pure substance

You mix 5.25 moles of A with 7 moles of B in the chemical equation 3A + 4B 2C + 3D. Which statement is true about the reactants? B has a greater molar mass than a. A has a greater molar mass than b. B is the limiting reactant. c.

What is typically displayed on the x-axis of a solubility curve? Select one of the options below as your answer: a. grams of solvent per 100 grams of water b. grams of solute per 100 grams of water c. the temperature of the solution d.

A student sees a change in mass in the lab when mixing two chemicals what is a possible explanation?

A plant leaf is an organ that traps light energy to make food. In what way is an animal stomach similar to a plant leaf? ill give brainliest

A container with a volume of 3.46 liters contains a gas at a pressure of 1.30 atmospheres and a temperature of 274.27 Kelvins. How many moles of gas are in the container?

Benzene, C6H8, has an enthalpy of fusion = 10.19 kJ/mol. Calculate the amount of energy which is needed to change 88.0 g of solid benzene at 5.53°C into liquid benzene, also at 5.53°C?

What is the H3O + ion concentration of a solution that has an OH - ion concentration of 1.0 * 10^-3M? A) 1.0 * 10^-3M B) 1.0 * 10^-7M C) 1.0 * 10^-11M D) 1.0 * 10^-14M

Given the following chemical reaction: 2 O2 + CH4 CO2 + 2 H2O In the reaction of 6 moles of CH4 with excess oxygen, how many moles of water could be produced? 6 C 12.01 Carbon 1 H 1.01 Hydrogen 8 O 16.00 Oxygen A. 4 B. 6 C. 8 D. 12

Most mutagens have what kind of an effect on an organism?