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A chemist adds 410.0ml of a 0.363 M calcium bromide solution to a reaction flask. Calculate the mass in grams of calcium bromide the chemist has added to the flask. Round your answer to 3 significant digits.
what was the mass (g) of molecular oxygen from the air that combined with the substance to produce the dense gas? B. What is the ratio of the weight of oxygen burned to the weight of the dense gas produced?
A beaker with 1.70×102 mL of an acetic acid buffer with a pH of 5.000 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 6.20 mL of a 0.490 it M HCl solution to the beaker. How much wi..
Draw the structure(s) of all of the possible monochloro derivatives of 2,2-dimethylpropane, C5H11Cl. Please Explain.
Calculate the internal energy and ethalpy change if the volume is changed from 10L/Mmol to 20L/mol and the temperature is changed from 300k too 600k. Use the vander waals equatino and assume that no phase changes ocurr
temperature of 20.0 K and a pressure of 101.3 kPa. What will be the volume when the temperature is changed to 40.0 K and the pressure is changed to 50.65 kPa?
How many grams of NaCl are contained in 350. mL of a 0.103 M solution of sodium chloride?
An equilibrium mixture of this reaction(NH4HS(s)?NH3(g)+H2S(g)) at a certain temperature was found to have [H2S]= 0.350M and [NH3]= 0.276M .What is the value of the equilibrium constant (Kc) at this temperature.
If the initial temperature of an ideal gas at 2.250 atm is 62C, what final temperature would cause the pressure to reduce to 1.500 atm
What is the total sample size (in grams) for a sample of disulfur octoxide which contains 3.29 g of oxygen
A gas-phase decomposition is first order with respect to the reactant, R. If the initial concentration of R is 1.0E-4 mol L-1 and the rate constant k=1.08E-6 s-1, what concentration of R remains after 25 days
If 26 of 6.6 was spilled, what is the minimum mass of that must be added to the spill to neutralize the acid?
Find the activity coefficient of H+ in a solution containing 0.010M HCl plus 0.040M KClO4. What is the pH of the solution?
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