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If 2.45 g of X reacts with 6.55 g of M to produce 11.25 g of a compound with the formula M2X3, and the atomic mass of M is 42.0 amu, what is the atomic mass of X
It takes 485 J of energy to raise the temperature of 104.1 g mercury from 20.0°C to 53.5°C. Calculate the specific heat capacity and the molar mass capacity of mercury.
Suppose that you are carrying out a dehydrohalogenation reaction on 2-bromo-2,3-dimethylpentane to yield alkenes
Calculating Rate and Activation Energy of Diffusion, a) How do I calculate the time that will it take for 0.001 moles of CO2 to leak from a container at steady-state, assuming that the amount of CO in the surroundings is insignificant?
Krypton crystallizes as a fcc (face centered cubic unit cell) having an edge length of 559 pm. What is the density of solid Krypton?
if a sample of gas at 25.2 C has a volume of 536 mL at 637 torr, what will its volume be if the pressure is increased to 712 torr.
A 2.5-L sample of a 6.3M NACl solution is diluted to 75L.What is the molarity of the diluted solution?
if 5.00 g of each NH3, O2, and CH4 are reacted, what mass of HCN will be produced, assuming 100% yield
What causes cycloalkanes to have two less hydrogen atoms than similar alkanes that are open chain ones?
Calculating concentration of an ion, Given the concentration of hydroxide ions, use the ion product constant of water to calculate the concentration of the other ion at 298 K
What is the vapor pressure (in mm Hg}) of a solution of 15.5g of glucose in 82.0g of methanol at 27 degrees C? The vapor pressure of pure methanol at 27 degrees C is 140 mm Hg.
A chemist wishes to prepare 200mL of a saturated solution of BaF2, the concentration of which is 6.3 x 10-3 mol/L. Determine the mass of BaF2 that will be needed to make up the 200mL of the solution.
Blood is essentially an aqueous solution but it must transport a variety of non polar substances hormones for example
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