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what mass is grams of potassium chloride is produced if 100. g of potassium chlorate decompose according to the following equation? 2KClO3>>> 2KCl+3O2
An insulated tank is divided into two equal parts. Both halves contain the same ideal gas but one is at 300K and 2 bar while the other one is at 1 bar.
Calculate the partial pressure of O2 produced from 1.71 liters of .64 M N2O5 solution at 45 degrees C over a period of 24 hours if the gas is collected in an 11.5 L container, assuming that the products dont dissolve in chloroform.
What is the molecular weight of a gas if a 250 mL sample of this gas collected over water at 735 mm Hg and 28.0°C has a mass of 1.25 gram? The equilibrium vapor pressure of water at 28.0°C is 28.3 mm Hg.
If the speed limit is 75 mph, could the driver of the car reasonably evade a speeding ticket by invoking the Heisenberg uncertainty principle?
2.00 moles of a gas occupies 62.2 L at a par- ticular temperature and pressure. Its density is 0.900 g/L. What is the molar mass?
How many atomsof carbon are present in 34.5 grams of caffeine?
Give the shape of each molecule in problem and describe whether each molecule is polar or non polar and tell whether each is soluble or insoluble in water
Consider the base monosodium phosphate and Write the structure of the conjugate acid of this base- ineffective for extracting C7H6O2 from a diethyl ether solution.
How much heat energy, in kilojoules, is required to convert 74.0 g of ice at -18.0 C to water at 25.0 C ?
water has a molar heat of vaporization =40.79 kJ/mol, determine how many grams of water could be vaporized by 0.806 kilo Joules heat? Express your answer in units of g
what is the theoretical yield of aluminum oxide if 2.40 mol of aluminum metal is exposed to 2.10 mol of oxygen
how many moles of glucose C6H12O6 can be burned biologically when 10.0 mole of oxygen is available
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