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What do you think is the difference between a theory and a hypothesis?
calculate the mass of h2o produced when 12.0 g of glucose is combusted in a container of oxygen with a volume of 1.3 l
Determine how many moles of carbon dioxide should be combined to the system to bring the equilibrium carbon monoxide concentration to 0.715 mol/L?
a sample of nitrogen gas expands in volume from 1.6 l to 5.4 l at constant temperature. calculate the work done in
My goal is prepare a 100.00 mL of a buffer with a pH = 3.500 and a total common ion concentration of 0.100 M. I have available to me, bottle of 1.00 M of acetic acid, formic acid, ammonia, hydrochloric acid, sodium hydroxide, sodium formate, sodiu..
Solution is prepared by mixing 0.025 l of 3e-3 m BaCl2 and 0.025l of 2e-3 m of na2co3. Ksp= 2.6e-9 for baco3. Write balanced equation with correct state
A 26.0-g sample of ice at -11.0°C is mixed with 123.0 g of water at 90.0°C. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
Unfortunately, a mixup in the laboratory prevented an immediate analysis, and it was not until 17.0 days later that a measurement on the blood was made.
The second virial coefficient of methane can be approximated by the empirical equation , where a = -0.1993 bar-1, b = 0.2002 bar-1, and c = 1131 K2 with 300 K
Draw the structures and then List the following alkyl halides in order of their increasing reactivity as substrates in SN2 reactions
If the reaction is first order in A and second order in B, what is the rate when the initial concentration of A = 2.30 mol/L and that of B = 2.03 mol/L
how long would it take to count 1 billion tiny invisible objects from a bottle of these objects if you couldnt even see
When a certain unknown hydrocarbon is completely combusted with excess oxygen, it is observed that 1.12 L of H2O gas and 3.36 L of CO2 are produced at STP. What is the empirical formula of the unknown hydrocarbon
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