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A certain quantity of a gas occupies 61.3 mL at 68C. If the pressure remains constant, what would the volume of the gas be at 17C?
Describe the major absorption bands in the IR spectrum - indicate the bonds responsible for those peaks which prove you have synthesized isopentyl acetate and that it is an ester.
If 30.00 mL of 0.500 M KOH are needed to neutralize 10.00 mL of HCl of unkown concentration, what is the molarity of the HCl
How many molecules of acetylene (HCCH) react with 123 molecules of oxygen to produce carbon dioxide and water.
what was your sampling rate to the nearest 1 ml/min over a four hour sample period if you collected 35 mg of carbon tetrachloride from a known concentration of 150 PPM?
Consider 48.5 mL of a solution of weak acid HA (Ka = 1.00 * 10-6), which has a pH of 4.350. What volume of water must be added to make the pH = 6.000?
a 10.00ml sample of drain cleaner, which contains NaOH, was titrated with 25.00ml of 1.00M HCl. calculate the number of moles of HCl added.
Bonding in some solids does not fit neatly into one of the four categories. Explain why the bonding in Na2CO3 is not purely ionic.
What is the final concentration of a solution made from 7.1 mL of 0.8 M CuSO4 and 14.3 mL of water?
A helium-filled balloon has a volume of 2.75 L at 17 C. The volume of the balloon decreases to 2.36 L after it is placed outside on a cold day. What is the outside temperature in K?
Calculate the amount of heat in J required to heat 2.00 grams of ice from -12.0 C to 88.0 C. The heat of fusion of water is 6.02 kJ/mol the specific heat capacity of ice is 2.09 J/gC
A buffer that has .370 m base and .234 m of its conjugate acid contain ph of 9.09. what is the ph after .002 mol of HCL is added to .250 l of this solution.
The rate is measured at 300 K. To what temperature must the reaction be raised to double the rate? a) 310k b)333k c)353k d)363k e)373k f)412k
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