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Question:
How much heat (in kJ) is required to warm 13.0 g of ice, initially at -10.0oC, to steam at 111.0oC? The heat capacity of ice is 2.09 J/goC and that of steam is 2.01 J/goC.
Under constant pressure conditions a sample of hydrogen gas initially at 13 degrees C and 8.0 L is cooled until its final volume is 1.7L. What is its final temperature
Estimate the amount of heat released (in kj/mol) when 10g of CH4 gas reacts with an excess of O2 gas to form gaseous CO2 and liquid water. The molar mass of CH4 is 16.042.
Problem- A sample of soil from a newly discovered cave is analyzed by a team of explorers. They find an element that is a good conductor of electricity. It also forms a chloride in the form XCl2 and an oxide in the form XO. The element is a liquid..
Calculate delta E for the combustion of a gas that releases 195.0 kJ of energy to its surroundings and does 54.5 kJ of work on its surroundings.
A sample of gas composed of 5.7 grams of carbon dioxide and 3.6 grams of neon in a container with volume 5.7L and temp 67 degrees Celsius. what is the pressure of the gas mixture
If the radius of a silicon atom is 1.18 x 10-8cm, what is the radius in nm?
A student carefully diluted 50.0mL of 6 M HCI solution in 950.0 mL of distilled water. Calculate the molarity of the diluted acid solution. Explain why this diluted HCI solution cannot be used as a standard solution of acid.
Problem- Hydrochloric acid is about as strong a mineral acid as sulfuric acid. Why would HCl not be satisfactory catalysts in this reaction
What is the geometric shape for O2 and what how many bonds are in the structure
write complete ionic equation to show the reaction of aqueous hg2no32 with aqueous sodium chloride to form solid hg2cl2
Carbon tetrachloride, CCl4, a common liquid compound, has a density of 1.58 g/cm3. If you place a piece of a plastic soda bottle (d = 1.37 g/cm3) and a piece of aluminum (d = 2.70 g/cm3) in liquid CCl4, will the plastic and aluminum float or sink?
Consider a house into which radon is emitted through cracks in the basement. The total volume of the house is 650 m3 (assume that the volume is well mixed throughout).
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