Calculate in kilograms - Elemental phosphorus is made by heating calcium phosphate with carbon and sand in an electric furnace. What quantity of calcium phosphate, in kilograms, must be used to produce 15.0kg of phosphorus?
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Conversion Factors - Having a problem really understanding Conversion Factors. Where do I get the conversion factor? Can you give me a step by step how to solve? 2-credits for a very thorough answer!
Problem,
Use con ...
Significant figures and conversions - Please give rules for significant figures and explain as go along.
1) Put in decimal form and in scientific notation with sig. figures.
a) 4.060 + 120.23 + 4.1*10^-2
b) (140) / [7.2*10^3 * 16 ...
Lewis Dot Structures - What is the chemical formula for ammonium periodate?
3. How many moles of sulfur dioxide are contained in 5.23 liters of the gas at 852 mm Hg and 28.0°C? Remember that 1 mole of any gas at STP ...
Simple explanation needed - 10kg petrol is burned in a car engine.
What two main chemicals come from the exhaust and how much of each in kilograms?