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Problem- If 0.0280 mol of CaCl2 is dissolved in water to make a 0.710 M solution, what is the volume of the solution?
I want to know how this is done please show all steps in detail
A 21.40L gas cylinder has been filled with 3.186 moles of gas. You measure the pressure to be 3.260 atm . What is the temperature inside the tank
Describe the use of light absorbing reagents in amino acid chromatography. What are these reagents used for? Name two reagents that are commonly used and describe how they react with amino acids.
A series of chemicals were added to some AgNO3(aq). NaCl(aq) was added first to the silver nitrate solution with the end result shown below in test tube 1, NH3(aq) was then added with the end result shown in test tube 2, and HNO3(aq) was added las..
If the original activity of a radioactive substance was 2.00 Ci and later the activity was measured to be 9.25x10^9 Bq, how many half-lives have passed
its initial value in a first-order reaction, what is the rate constant for the reaction in the units min-1?
What is the concentration of in mass percent? An aqueous solution has a vapor pressure of 81.9 at 50 . The vapor pressure of pure water at this temperature is 92.6.
The mass percent of urea (formula CH4N2O) in a solution prepared by dissolving 16g of urea in 39g water is: a). 29% b). 0.29 % c). 16% d). 71%
What is the enthalpy of reaction, (triangle) H, for the formation of Tungsten carbide, WC, from the elements? W(s) + C(graphite) -> WC(s)
Explain a solution is prepared by dissolving 89.6g of a nonvolatile solute in 175 g of water. Explain the vapor pressure above the solution is 20.62Torr as well as the vapor pressure of pure water is 23.76Torr at this temperature. Explain what is ..
gives a straight line with a slope equal to -5100 K. What is the activation energy for the reaction?
If 32.0 g CaC2 are consumed in this reaction, how many moles of H2O are needed?
A 0.050 M H2S solution contains 0.20 M NiCl2 and 0.35 M Hg(NO3)2. What pH is required to precipitate the maximum amount of HgS but none of the NiS
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