3.01 x 1023 molecules H20

Maria rolls a die. What is the chance of her rolling a 4?

To begin the experiment, 1.11g of methane CH4 is burned in a bomb calorimeter containing 1000 grams of water. The initial temperature of water is 24.85oC. The specific heat of water is 4.184 J/g oC. The heat capacity of the calorimeter is 695 J / oC.

Plants transform some of the electromagnetic energy from the sun into what?

You are playing tug of war. You pull the rope with a force of 85N to the left and your friend pulls the rope with a force of 85N to the right. What is the net force on the rope A. 200N to the right B. 200N to the left C. 0N D. 100N to the right

Why are metals flexible?

2. How many grams of sucrose would be needed to prepare 100. mL of a solution of 0.10 M sucrose? Show your calculations.

You have two separate containers each filled with a gas. The containers have the same volume and are at the same temperature. The gases also exert the same pressure. Which of the following statements are true? a.

Here is an important message is chemistry code. scandium, iodine, europium, nitrogen, cerium, iodine, sulfur, gallium, ruthenium, oxygen, oxygen, vanadium, yttrium. What is the message

Which process are driven primarily by Earth's internal heat (thermal) energy

A radioisotope used for diagnosis must emit gamma rays of sufficient energy to escape from the body and it must have a half-life short enough for it to decay away soon after imaging is completed. TRUE FALSE