If an ion has a charge of 1-, the ion must have A. More electrons than neutrons. B. More protons than electrons. C. More electrons than protons. D. More protons than neutrons.

You fill a tank with gas at 30°C and 101.5 kPa and seal it. You decrease the temperature to 10°C but keep the volume constant. What happens to the pressure? (Careful!

How many liters of fluorine gas are needed to form 879 L of sulfur hexafluoride gas if the following reaction takes place at 2.00 atm and 273.15 K

Calculate the amount of heat needed to melt 91.5g of solid benzene (C6H6) and bring it to a temperature of 60.6°C. Round your answer to 3 significant digits. Also, be sure your answer contains a unit symbol

Two groups complete an experiment requiring the mass measurement to be repeated three times in the experiment. Group I selects a single member of the group to measure the mass.

Which boundary can pruduce earthquakes and which can produce the largest earthquake

Which of the following organs are found in the circulatory system? * A.) Heart B.) Veins C.) Arteries D.) Capillaries E.) All of the above

What's the difference between volcano and vent

A marshmallow has an initial volume of 0.084 L at standard pressure (1.0 atm). If the marshmallow is placed in a vacuum chamber and the final volume is 0.785L, what is the pressure inside the chamber?

Can you think of another example of energy doing work fill out the table below with your idea

Write the net ionic equation for the reaction between agno3 (aq) and na2so4 (aq). be sure to include states of matter in your answer.