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The test tube contained some water (besides the metal) that was subsequently added to the calorimeter. Considering a higher specific heat for water, will the temperature change in the calorimeter be higher, lower, or unaffected by this technique error? Explain
How many grams of H2O can be cooled from 45 degrees C to 15 degrees C by the evaporation of 63 grams of water.
The Vehicle Assembly Building at the Kennedy Space Center in Florida has a volume of 3,666,500 m^3. Convert this volume to liters and express the result in standard exponential notation.
Write the condensed structure of the primary alcohol (RCH2-OH type) with the general formula C4H10O.
A solution of sodium hydroxide is prepared by mixing 2.00g of NaOH with 10.0g of water. The percent, by mass of NaOH is what?
A vitamin tablet contains 501 mg of vitamin C (C6H8O6). How many vitamin C molecules are contained in the tablet?
Magnesium metal is used as a sacrificial anode to reduce the corrosion of underground storage tanks (made of iron, or more accurately, steel which is an iron/carbon alloy). As a result the sacrificial metal corrodes instead of the iron. Explain th..
What is the specific heat of a substance that it takes 192 Joules to raise the temperature of 45 grams by 6 degrees Celsius
A 270- flask contains pure helium at a pressure of 761 . A second flask with a volume of 455 contains pure argon at a pressure of 730 . If the two flasks are connected through a stopcock and the stopcock is opened, what is the partial pressure of ..
What is proton pump, proton matrix, proton gradient, and proton motive force? Please give simplies answer as possible.
Explain what it means that the atomic mass of naturally occurring Ag, is a mixture of its two isotopes forms, is 107.868 u.
How many moles of gas are present when you collect 35.83 mL of the gas over water at 25.3?C and 0.97 atm?
Calculate the mass, in grams, of Ag2CrO4 that will precipitate when 50ml of 0.20M AgNO3 solution is mixed with 40ml of 0.10M K2CrO4 solution. Assume that Ag2CrO4 is completely insoluble (its Ksp is ~ 0).
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