What is the name for the chemical formula K3PO4, and is it ionic or covalent?

As altitude increases what, is the trend in the amount of air pressure in the atmoshere?

The average kinetic energy of water molecules increases when - A: H2O (s) changes to H2O (l) at 0°C B: H2O (l) changes to H2O (s) at 0°C C: H2O (l) at 10°C changes to H2O (l) at 20°C D: H2O (l) at 20°C changes to H2O (l) at 10°C

calculate how many moles of NO2 form when each of the following completely reacts. 2N2O5 (g) →4NO2 (g) + O2 (g) Part A 1.0 mol N2O5 Express your answer using two significant figures. nothing mol m o l Request Answer Part B 5.

7. How many liters of NH3, at STP will react with 10.6 g O2 to form NO2 and water? 4NH3 (g) + 7O2 (g) → 4NO2 (g) + 6H2O (g) * a. 2.12 L b. 3.03 L c. 4.24 L d. 6.49 L 8. What is the maximum number of grams PH3 that can be formed when 3.

Which of the following is not a nanoscale object? An enzyme A xenon atom A muscle cell A water molecule

Ludwig Boltzmann developed a model that relates entropy to: Select the correct answer below: a. the spontaneous heat flow accompanying a process to the temperature at which the process takes place b.

Calculate the work associated with the compression of a gas from 121.0 l to 80.0 l at a constant pressure of 16.7 atm. a. 685 l atm b. - 685 l atm c. 2.46 l atm d. - 2.46 l atm e. 101 l atm

How do find the volume of 60.0g of ether if the density is. 70g/mL?

Did the test solution react with the supernatant from the test tube that had the largest amount of precipitate? what can you infer about the molar ratio of this reaction?

Contrast mixtures with pure substances