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How much energy (in calories) is needed to heat 17cm^3 of fat from room temperature (25 C) to its melting point (35 C)?
How much HCl gas can be produced at STP by reacting 198 g of NaCl with excess H2SO4?NaCl + H2SO4 ! NaHSO4 + HCl.
2A(g) + 3B(g) → A2B3(g) If 0.5 atm of gas A is mixed in an evacuated reaction flask with 1.0 atm of gas B, what is the final pressure in the reaction flask? (assume that the reaction goes to completion)
Determine mass of water is contained in 2.8 Litres of the vapor in this solution at 55 degree celcius temperature express your answer in grams
Question about States of Matter, Ian eats too many mars bars. To try to get rid of the excess kJ's he exercises in the gym by using a weights machine which works by compressing a cylinder of gas.
How many grams of hydrogen chloride can be produced from 350 grams of sodium chloride and 290 grams of hyroden sulfate if the reaction has a yield of 88%?
Titrations: Finding Mass Percent of Arsenic in a Pesticide, The arsenic in a 1.0211-g sample of a pesticide was converted to H3AsO4 by suitable treatment. The acid was then neutralized and exactly 40.00 mL of 0.05922M
To calculate the concentration of protein is it 10/990 or 10/1000? And does the original concentration of solution even matter when calculating the solution concentration?
While in Europe, if you drive 107 km per day, how much money would you spend on gas in one week if gas costs 1.10 per liter and your car's gas mileage is 26.0.
How much heat is required to warm 1.20 kg of sand from 26.0 0C to 100.0 0C?
The half-life for a first order reaction at 550 oC is 85 sec. How long it would take for 23% of the reactant to decompose?
If the pressure exerted by ozone, O3, 3.0x10-3 atm and the temperature is 247 K , how many ozone molecules are in a liter.
Determine How much heat energy, is needed to convert 64.0 grams of ice at -18.0 degrees Celsius to H 2 O at 25.0 Normal Temperature ? express your answer in kilojoules
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