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How do you draw the lewis structure for Ni2O3?
Compute the final temperature of the mixture (assuming no heat loss to the surroundings.)
0.102g of an unknown compoud dissoleved in 100. ml of water has an osmotic pressure of 28.1 mmHG at 20 degrees celcius. Calculate the molar mass of the compound.
write an equations for the reactions that takes place when the compound in ch3ococh2ch3 is refluxed in the presence of
Beginning with propanol as the only organic compound (expcept solvents) available,
How do you predict the formulas for ionic compounds using the electron dot structures?
(a) 0.519 M acetic acid (weak acid with Ka = 1.8e-05). (b) 0.802 M hydrocyanic acid (HCN) (weak acid with Ka = 4.9e-10). (c) 0.693 M pyridine (weak base with Kb = 1.7e-09).
An infant ibuprofen suspension contains 100 mg/ 5.0 mL suspension. The recommended dose is 10mg/kg body weight. How many mL of this suspension should be given to an infant weighing 17 lb
if 8.6L of H2 reacted with 4.3L of O2 at STP, what is the volume of the gaseous water collected (assuming that none of it condenses)?2H2(g)+ O2(g)--> 2H2O(g
Carbon Dioxide and water form during combustion of methane. How many grams of water vapor form when 2.39 g of methane react completely with excess oxygen? CH4 (g) + 2 O2 (g) ------> CO2 (g) + 2 H2O (g)
What is the pH (to nearest 0.01 pH unit) of a solution prepared by mixing 67.0 mL of 0.0755 M HBrO and 89.0 mL of 0.130 M NaOH
Nitrogen dioxide and water react to produce nitric acid HNO3, and nitrogen oxide: 3NO2(g) + H2O(l) -------- 2HNO3(aq) + NO(g)
A certain brand of gasoline has a density of 0.67 g/ml. If a car has a gas tank compasity of 16 gallons, How many pounds of gasoline are in a full tank
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