A chemical reaction produces two new substances, one with a mass of 34 g and the other with a mass of 39

g. What is the total mass of the reactants?

8.98 dm3 of hydrogen gas is collected at 38.8 °C. Find the volume the gas will occup at - 39.9 °C if the pressure remains constant.

How many energy levels dose a tungsten atom have?

Is grinding glass physical or a chemical change

Which of the species would be expected to be the most miscible in benzene (c6h6) ? 1. decane, c10h22 2. hydrogen fluoride, hf 3. methanol, ch3oh 4. silicon dioxide, sio2 5. sugar, c6h12o6?

What is the relationship between gravity and water

Common cause of biological contamination

Whcih kind if material would best accomplish this task

List at least two chemical reactions that resulted in a yellow, orange, or red precipitate. For these reactions, list the possible chemical name of the precipitate.

You place air in a sealed can at stp. ypu triple its absolute temperture (K) while leaveing the volume constant. what happenes to the pressure

A current of 10.4 a is applied to 1.25 l of a solution of 0.552 m hbr converting some of the h + to h2 (g), which bubbles out of solution.