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Carbon-14 decays with a half-life of 5730 years. What is the first order rae constant for its decay in units of years^-1
Draw the VSEPR diagram and classify the shape of the molecule for F2O
a student prepares benzoic acid by hydrolying 6.47g of methyle benzoate (FW 136.15g/mol) using excess sodium hydroxide. If the student recovers 3.71g
what is the solubility of N2 in a diver's blood?[Use the value of the Henry's law constant k calculated in Part A, 6.26 * 10^-4]" Assume that the composition of the air in the tank is the same as on and and that all of the dissolved nitrogen remai..
If 80 {rm J} of heat are added to a pure gold coin with a mass of 13 {rm g}, what is its temperature change? Specific heat capacity of gold is 0.128 rm J/g ^circ C.
Using oxidation and reduction half-reactions, balance the skeletal equation: N_2H_4(g) + ClO_3 -(aq) --> NO(g) + Cl-(aq) of hydrazine with chlorate ions.
calculate the molarconcentration of oxygen in water at 25 celsius for a partialpressure of 0.23 atm. the henry's law constant for oxygen
When 9 mL of a solution containing 2.5 M AlBr3 is diluted to 30 mL, a dilute solution is formed. What is the Br- concentration in 15 mL of the dilute solution?
How are crops genetically modified? What are the health consequences of athletic supplements? How do fuel cells work? How does aspirin cure headaches?
A baseball pitcher's fastball is clocked at 100 miles per hour (mph). Calculate the wavelength of a 141 g baseball in nm at this speed.
What volume (in mL) of 0.657 M solution of iron(III) chloride can be made from 52.3 mL of a 1.89 M solution? Assume the volumes are additive.
Write the half-reactions that occur in the two electrode compartments. (Type your answer using the format [Ag] for Ag and Ag for Ag. Also, the first box gets the coefficient)
Balance the following redox reaction in basic solution. Which of the following statements is not correct? Cr3+(aq) + ClO3-(aq) + OH-(aq) ? Cl-(aq) + CrO4^2-(aq)
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