Is many sig figs are in 0.092

Calculate the ph of a blood plasma sample with a total co2 concentration of 25.6 mm and bicarbonate concentration of 24.3 mm. the relevant pka of carbonic acid is 6.1. enter your answer with three significant figures.

How many grams of BrCl form when 239.7g Cl2 react with excess Br2

Which factor increases the rate of dissolution in an unsaturated solution? increasing the temperature decreasing the surface area decreasing the amount of solute increasing the amount of solvent

Given: N2 + 3H2 → 2NH3 Bond Bond Energy (kJ/mol) N≡N 942 H-H 432 N-H 386 Use the bond energies to calculate the change in enthalpy for the reaction. The enthalpy change for the reaction is kilojoules.

The molecular mass of glucose is 180g/mole. how will you make0.25mglucosesolution

In Flask A, you reacted 7.23 g Mg with 1.05 mol HCl. In Flask B, you reacted 1.22 g Mg with 1.35 mol HCl. Which balloon will inflate the most?

I have 2 electrons is the first shell, 8 in the second, and 6 in the third

The production of plastics makes life, so it benefits society. On the other hand, the production of plastics causes air and water, so it also harms society.

The total number of moles represented by 20 grams of CaCO3 is

Particles of matter how have both potential and kinetic energy is that true or false?