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If a battery operates at 2.7 V, what voltage will someone get if someone put: a.) three of these batteries in parallel b.) four of these batteries in series How do I go about working this type of problem?
Calcium carbide, CaC2 reacts with water to form acetylene. CaC2(s)+2H2O(l) ==> C2H2(g)+ Ca(OH)2(s)
calculate the enthalpy change for the complete combustion of but-1-ene, according to the following equation.
If you added 0.02 mol of X and 0.01 mol of Y to form 100g of the solution 2X(aq)+Y(l) = X2Y(aq), how many moles of X and Y would you need to bring about the temperature change of 21C to 51C?
120.0 mL sample of a 0.81 M H2SO4 solution is diluted with enough water to reduce the concentration of the solution to 0.50 M. What is the volume of the diluted H2SO4 solution.
Draw the Lewis structure of the lowest energy imidazolium ion. This is the lowest energy product formed when imidazole is protonated.
Which of the following molecules would a flame ionization detector (FID) be sensitive to after separation on a gas chromatography column?
If 0.20g of gas occupies 400 mL at 30 degrees celsius and 700 mm Hg of pressure, what is the molar mass of the gas?
A 0.0355 g sample of an unknown molecular compound is dissolved in 1.000 g of liquid camphor at 200.0°C. Upon cooling, the camphor freezes at 157.7°C. Calculate the molar mass of the unknown compound.
What volume of ethylene glycol (C2H6O2), a nonelectrolyte, must be added to 19.0 L of water to produce an antifreeze solution with a freezing point of -34.0°C
What is the value of Henry's law constant for N2 under these conditions?
How many grams of water can be cooled from 30 degrees C to 18 degrees C by the evaporation of 49g of water? (The heat of vaporization of water in this temperature range is 2.4kJ/g . The specific heat of water is 4.18J/k
Atmospheric pressure decreases as altitude increases. In other words, there is more air pushing down on you at sea level, and less air pressure pushing down on you when you are on a mountain.
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