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The flashlight in the photo does not use batteries. Instead, you move a lever, which turns a geared mechanism and finally results in light from the bulb. What type of energy is used to move the lever? What type or types of energy are produced?
Problem- Which of the following compounds would have the largest equilibrium constant for the formation of the corresponding hydrate. I.e. germinal diol
How much energy is released when 32.4 g of water freezes? The heat of fusion for water is 6.02 kJ/mol. q=? kJ
calculate the theoretical mass of nylon 6,10, in order to find out the percent yield. - 1mL of sebacyl chloride was used (density = 1.121g/mL) and 2.3 grams of 1,6 hexanediamide
the following reaction is carried out in a bomb calorimeter 4nh3 g 5o2 g--gt4no g6h2o gthe calorimeter constant is
How many molecules of carbon dioxide are produced when 130 molecules of acetylene (HCCH) to react in excess oxygen produce carbon dioxide and water.
the heat of formation of kcls is -436.7 kjmol and the heat of formation of kclaq 1 m is -419.5 kjmol. determine the
In the acid-base neutralization reaction Ca(OH)2 (aq) + 2 HNO3 (aq) ---» 2 H2O (l) + Ca(NO3)2 (aq), identify a) the acid b) the base c) the salt As part of your answer, explain HOW you identified each of these components.
suppose you have a box containing one mole of he atoms. if theenergy required to ionize a helium atom from its ground
an 8.89 g ice cube initially at -12oc is placedin a closed insulated container. a heater adds 600w for 45
How many different types of resonance structures can be drawn for the ion SO32.
How many grams of methanol must be added to 7.50kg of water to lower its freezing point to -15.0^circ C? For each mole of solute, the freezing point of 1 {rm kg} of water is lowered 1.86 ^circ {rm C}
Determine which metal will reach the lowest temperature If the same amount of heat is added to both the metals?
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