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a quantity of water is heated from 25.0 C to 36.4 C by absorbing 325 joules. what is the mass of the water?
A gas bottle contains .65 mol of gas at 730 Hg pressure. If the final pressure is 1.15 atm, how many moles of gas were added to the bottle?
What are bonding theories? Why are they important? What may they be used for. HI has a force contents of 314 Nm^-1 and a bond length of 160.92 pm.
What is the molarity of a solution made by mixing 213.6 ml of 1.5 M NaCl with 328 ml of 4.3 M NaCl.
How many isomers of dimethylcyclohexanediol could you get from complete hydroboration-oxidation of 1,4-dimethyl-1,4-cyclohexadiene? Draw them all.
An electron in the n=5 level of a hydrogen atom emits a photon wavelength 1282.17 nm. To what energy level does the electron move?
How much energy in kilojoules is required to convert 260 mL of water at its boiling point from liquid to vapor?
what volume (in mL) of 1.12 M NaOH is required to react with exactly 12.3 grams of ferric chloride, according to the following equation? FeCl3(aq) + 3 NaOH(aq) → Fe(OH)3(s) + 3 NaCl(aq)
The atmosphere becomes colder at higher elevation. As an average the standard atmospheric absolute temperature can be expressed as Tatm = 288 - 6.5 × 10?3 z, where z is the elevation in meters.
For the reaction CO+O2 -> CO2 , what is the maximum amount of CO2 (44.0095 g/mol) which could be formed from 16.73 g of CO (28.0101 g/mol) and 0.251 mol of O2 (31.9988 g/mol)? Answer in units of mol
If the density of the solution is 1.1094 g/mL, what is the molarity of the sulfuric acid?
if 5.00g helium gas is added to a 1.00-L ballon cantaining 1.00g of helium gas, what is the new volume of the ballon?
Calculate what quantity of potassium chlorate that has molecular weight of 122.5 needed to form 33.6 litres of oxygen? Express your answer in grams and assume that temperature and pressue will be in normal condition?
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