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A 10 foot by 10 foot by 10 foot room contains air at 95 degrees Fahrenheit. In the middle of the room is a tray holding a 10kg block of ice whose temperature is 0 degrees Centigrade. When the ice has completed melted and the remaining water is at room temperature what is the room temperature. Assume that specific heat and density of water are both 1.
The sun produces energy via fusion. One of the fusion reactions that occurs in the sun is How much energy in joules is released by the fusion of 3.06 of hydrogen-1
Problem- Give the chemical equation (including phases) that describes the combustion of butene, C4H8(g)
Assume 1.0 mole of each of the following solutes is dissolved in water and that each solution has a constant volume.
The empty calorimeter has a heat capacity of 0J/oC, and the temperature changed from 21.0 oC to 27.5 oC. Calculate the heat of reaction for the sample (kJ). Then calculate the heat of the above reaction in kJ/mol of HCl.
For reaction Mixture 1 the student found that 75 seconds were necessary. On dividing equation 5 for reaction mixture1 by reaction mixture 3, as well as after cancelling out the common terms (k', terms in (I-) and (H+)), she got the equation
Write out steps necessary to make ch3o=cch2ch3 starting with ethyne and any other chemicals
The molar solubility of manganese(II) carbonate is 4.2 ? 10-6 M. What is Ksp for this compound
If the volume of an unknown liquid is measured and found to be 6.510 L, what is the volume of the unknown liquid in milliliters?
BC transporters and P-type ATPase transporters are membrane pumps that move ions and molecules across membranes. Each of the following phrases describes ABC transporters, P-type ATPases, or both.
the combustion of ethane produces carbon dioxide and steam2c2h6 7o2 --- 4co2 6h20how many moles of co2 are produces
Galvanized nails are iron nails that have been plated with zinc to prevent rusting. The relevant reaction isZn2+(aq)+2e??Zn(s)
What volume of 6.0 M sulfuric acid is required for the preparation of 500.0 mL of 0.30 M solution. To measure the volume of an irregularly shaped container filled with water, 1.00 mL of 2.00 M potassium chloride solution is added. After stirring, a..
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