A sample of nitrogen occupies 1.00L at a temperature of 250. k. What volume would it occupy at 1500. k?

What was your relative pH for bleach? This means there were ___ moles of PH - ions present in bleah.

What phase change is endothermic

In a metabolic pathway, succinate dehydrogenase catalyzes the conversion of succinate to fumarate. The reaction is inhibited by malonic acid, a substance that resembles succinate but cannot be acted upon by succinate dehydrogenase.

Calculate the solubility (in g/L) of CaSO4 (s) in 0.500 M Na2SO4 (aq) at 25°C. The sp of CaSO4 is 4.93*10^-5.

Calculate the mass, in grams, of a single silver atom (mag = 107.87 amu).

Calculate the formula mass for each compound. a. NO2 b. C4H10 c. C6H12O6 60. Calculate the formula mass for each compound. a. MgBr2 b. HNO2 c. CBr4 d. Cr (NO3) 3

How many electrons will calcium gain or lose when it forms an ion?

Which statement describes thermal energy? the energy that is associated with electric fields the energy that is stored in chemical bonds the energy that is associated with the pull of gravity the energy that is associated with temperature

Give the formula %error = theoretical value - experimental value / theoretical value * 100 calculate the percent error for the experiment.

A baker touches a pie right after taking it out that of me which statement best explains why the pie feels hot