How many grams are in 0.40 mole of NaBH4

15000 joules is used to heat a 950g piece of metal from 45 degrees Celsius to 78 degrees Celsius what is the specific heat of this metal

Near the surface of a liquid, fast-moving particles can break free and become a gas. True or False

A 5.00-l tank contains helium gas at 1.50 atm. what is the pressure of the gas in torr if volume is doubled

Dipole moment of CHCl3 is less than CH2Cl2 is less than CH3Cl. why?

The boundary created by two plates moving away from each other is a boundary.

Consider the balanced equation K, Croa (aq) + Pb (NO3) 2 (aq) → PbCrO4 (s) + 2KNO3 (aq) If 25.0 ml of a 1.00M K, Cro, solution is mixed with 10.0 ml of a 0.500M Pb (NO3) 2 solution. a. How many moles of potassium chromate are present? b.

Name 3 organisms that would be classified as eukaryotic, multicellular, and heterotrophic.

A bond formed by electrical attraction between two oppositely charged ions is called

Which indicator is blue in a solution that has a pH of 5.6? (1) bromcresol green (3) methyl orange (2) bromthymol blue (4) thymol blue

A hot meal plate at 150 has been placed in air at room temperature. Which event would most likely take place over the next few minutes