Which of the following is a measure of velocity?

30 seconds

30 South

30 meters/second

30 meters/second, South

What determines whether an object will scatter or reflect light

What is the temperature of melting ice? A.) 0 °C B.) less than 0 °C C.) more than 0 °C D.) there is no way to know for sure without a thermometer

Chlorine and fluorine reacts to form gaseous chlorine trifluoride. You start with 1.75 mol chlorine and 3.68 mol fluorine. a) write a balanced equation.

What is the definition of chemical property?

What is the difference between the independent variable and the control?

If you were designing a pot to cook spaghetti in, which parts would you make from good conductors of heat? which parts would you make from insulators? explain your answer.

1. Starting with 9.3 moles of O2, how many moles of H2S will be needed and how many moles of SO2 will be produced in the following reaction? SHOW YOUR WORK! 2 H2S + 3 O2 - > 2 SO2 + 2 H2O

What is the oxidation state of an individual sulfur atom in so42-?

If the partial pressure of a gas over a solution is halved, how has the concentration of gas in the solution changed after equilibrium is restored?

List four safety precautions that should be taken while in a lab.