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In 2C4H10+13O2->8CO2+10H20 how many moles of O2 are required to react completely with 4.4 Moles of C4H20?
A major source of sodium metal is produced as a result of electrolysis of molten sodium chloride. What magnitude of current is required to produce 1.0 kg of sodium metal in one hour
Enough of a monoprotic acid is dissolved in water to produce a 0.0189 M solution. The pH of the resulting solution is 6.25. Calculate the Ka for the acid.
The speed needed to escape the pull of Earth's gravity is 11.3 km/s. What is this speed in mi/h.
Calculate the amount of heat liberated (in kJ) from 347 g of mercury when it cools from 85.0°C to 15.0°C.
An analyst was attempting to determine the percent KHP in an unknown sample. The analyst found the molarity of the standardized NaOH solution to be 0.1022 mol/L.
A laboratory method of preparing oxygen gas involves decomposition of solid potassium chlorate. The products of the reaction are solid potassium chloride and oxygen gas.
Please show your work, and I will rate you! TWO PART QUESTION A)What is the rate constant of a first-order reaction that takes 277seconds for the reactant concentration to drop to half of its initial value
What is theoretical yield of nitrogen monoxide in grams d. How many moles of excess reactant remain e. What is the % yield of the reaction
How many moles of copper atoms were lost? ii. The Faraday constant. iii. The charge of one electron. iv. The mass of one electron.
Sulfuric acid (H2SO4) is a very strong diprotic acid. If 0.041 moles of sulfuric acid is mixed with water to make 169 mililiter of solution, what is the molarity of H+? Answer in units of M.
Electrophilic addition reaction of conjugated dienes that occur at high temperatures and/or long reaction times (reversible conditions) are said to be under
Suppose that 25.0g of gold is initially at 27.0 Celsius. What is the final temperature of gold upon absorbing 2.35kJ of heat?
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