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Calculate the mass of ammonia formed when 6 g of hydrogen react with 14 g of nitrogen to form ammonia. You may use whole numbers for atomic masses.
For the cyclohexanes substituted in the positions indicated, identify the substituents as either axial or equatorial in chair conformers. For example, a 1,2-cis relationship means that one substituent must be axial and one equatorial.
Galactose is concentrated in a cell by a transporter driven by ATP hydrolysis. What is the ratio of ADP to ATP required to maintain a galactose concentration gradient of 100,000:1
if the reaction produces 5.72 grams of a compound called magnesium ammonium phosphate,MgNH4PO4. what is the percentage of phosphorus in the original plant food sample?
A solution was prepared by dissolving 620 grams of ethylene glycol, C2H6O2 in 1000 grams of water. Find the concentation of ethylene glycol in molality. Find the freezing point and boiling point of the solution. For water Kf= -1.86 Celsius m-1 and..
The total concentration of enzyme in the reaction was 10 mmol/mL. What is thekcat (K2) of this reaction?
The standard molar enthalpy of vaporization for water is 40.79 kJ/mol. What mass of steam is required to release 500. kJ of energy upon condensation? (Molar mass of water is 18.02 g/mol.)
A sample containing 0.35 mol argon gas at a temperature of 13 C and a pressure of 568 torr is heated to 56 C and a pressure of 897 torr. A. What is the original volume of the gas? B. What is the new volume of the argon gas?
An experiment was performed to determine the solubility and the solubility product constant of lead(II) chloride (gmm = 278.10).The equilibrium involved is
A 739 mL gas sample at STP is compressed to a volume of 244 mL, and the temperature is increased to 24 ? C. What is the new pressure of the gas in Pa? Answer in units of Pa.
which gives the order for first ionization energies smallest to largest
A brewery has a horizontal conveyor belt to transfer malted barley from a storage silo to the mash tun (the large vessel where the malted barley is steeped in hot water)
In the chlorination of cyclohexane there are two types of termination steps: recombination and disproportionation. 1) give two products of recombination:
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