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What is the change in the boiling point of a solution made by dissolving 14.7 g of C6 H12 O6 into 150.0 mL of water? The density of water is 1.00 g/mL and Kb = 0.512°C/m.
A) 0.502°C
B) 5.22°C
C) 0.0418°C
D) 0.279°C
E) none of the above
The standard reaction enthalpy for the decomposition of CaCl2_NH3 into CaCl2 and NH3 is nearly constant at +78 kJ/mol between 350 K and 470 K.
What is the vapor pressure of CS2(in mmhg) at 28.0 degrees Celcius? Carbon Disulfide, CS2 has a Pvap = 100mm at -5.1 degrees celcius and a Hvap = 28.0 kj/mol
one of the components of the fuel mixture on the apollo lunar module involved a reaction with hydrazine n2h4 and
Which of the following statements are correct based on the voltaic cell represented below Ni(s)INi2+(1.0M)II Fe3+(0.10M)IFe2+(1.0M) I Pt(s)
Use an enthalpy diagram to calculate the lattice energy of CaCl2 from the following information. Energy needed to vaporize one mole of Ca(s) is 192 kJ.
Mark all the true statements A.) The value of [R]/[P] is the equilibrium constant B.) The amount of P present will not change. C.) The concentration of [R] is constant. D.) The reaction P--> R no longer takes place
The molecular weight of vincristine, a pharmaceutical drug, is 923.04. It is supplied in 1 mg per vial. You want to treat your culture cells with a final concentration of 5 hM vincristine and will need 30 ml of cells for your experiment
What is the percent yield of a reaction in which 238 g phosphorus trichloride reacts with excess water to form 143 g HCl and aqueous phosphorus acid (H3PO3)?
An Indy race car can travel 111 m/s. What is the speed of the car in miles per hour? (Given: 1 mi = 1.61 km, and 1 h = 3600 s)
Explain why ionic components are formed when a metal from the left side of the periodic table reacts with a non-metal from the right side. give two examples of each
if the initial concentration of h2o was 0.700M and after 54mins, the concentration is measured to be 0.0875M what is the half life
1.00 mole of pure NOCl and .907 mole of pure Cl2 are placed in a 1.00-L container. Calculate the equilibrium concentration of Cl2(g).
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