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Calculate the mass of 5.00mL of water using the date from all members of group. these numbers are the ones from my group 24.601g 28.8107g 29.4162g 29.2040g
The second container is kept at 149.2 K. What is the volume (in liters) of nitrogen gas in container 2? Containers are kept at a constant pressure.
Draw the lewis structures for each of the following molecules or ions. Which do not obey the octet rule? (a)NO (b) AlH3 (c) ICl2^- (d) OPBr3 (the P is the central atom) (e) XeF4
Does doubling the volume (not concentration) of acid and base double the amount of heat produced in a neutralization reaction
What is the pH of a solution prepared by mixing 25.00 mL of 0.10 M methylamine, CH3NH2, with 25.00 mL of 0.10 M methylammonium chloride, CH3NH3Cl.
An aqueous solution is 22.0% by mass silver nitrate, AgNO3, and has a density of 1.22 g/mL. What is the molarity of silver nitrate in the solution?
When chlorine is added to acetylene, 1,1,2,2-tetrachlorothane is formed. How many liters of chlorine will be needed to mkae 75.0g of C2H2Cl4
calculate the empirical and molecular formula, respectively. (Note: When entering the answer do not worry about subcripting the numbers
Helium atoms do not combine to form He2 molecules, yet He atoms do attract one another weakly through
A gas occupies a volume of 458 mL at a pressure of 1.01 kPa and a temperature of 295 K. When the pressure is changed, the volume becomes 477 mL.
What would be the pH of a buffer system containing 1.0 M NH3 and 0.10 M NH4Cl. (Kb(NH3) = 1.8 x 10-5)
The optical rotation of a sample composed of only D-lactose is determned [a] abs = 0.99 degrees. [a]d is known to be 52.3 degrees of D-lactose.
A 250.0-mL sample of ammonia, NH3(g), exerts a pressure of 833 torr at 42.4 C. What mass of ammonia is in the container?
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