If the distance covered by a jogger is 2,541meters through the park and the time it took to cover that distance was 43.6 minutes, what was the speed of the jogger in meters per second?

Washing soda is a hydrated compound whose formula can be written NA2CO3 xH2O, where x is the number of moles of H2O per mole of Na2CO3. When a 2.123g sample of washing soda was heated at 130*C, all of the water of hydration was lost, leaving the 0.

What is the mass of 3.50 moles of silicon dioxide

Do most exothermic reactions have a negative or positive change in gibbs energy

A 35.0-9 piece of copper wire is heated, and the temperature of the wire changes from 29.0°C to 76.0 degrees * C. The amount of heat absorbed is 243 cal. What is the specific heat of copper?

As temperature increases, the amount of solute that a solvent can dissolve increases. True False

Our body solution tests at a pH of about 6.8. This pH is:

A diatomic gas has the molar mass of 38.00g/mol. what is the possible formula?

Which of the following is the final concentration of KCl if 500 ml of 0.25 M KCl is diluted to a final volume of 5 L? 0.025 L 0.0025 L 25 L 2.5 L

What do you use to measure mass

A salt shaker filled with 17.0g sodium chloride contain how many moles?