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1. Why do we convert temperatures to kelvin when doing the gas law calculation?
2. Why do we designate standard conditions for temperature and pressure?
When 49 mL of a solution containing 3.1 M AlCl3 is diluted to 53 mL, a dilute solution is formed. How many moles of Al3+ ions are contained in 14 mL of the dilute solution
A 486 mL sample of water was cooled from 50.0°C to 10.0°C. Assuming a specific heat of 4.184 J/K g and a density of 1.00 g/mL, find the amount of heat transferred from the water to the surroundings.
Calculate the mass in grams of hydrogen chloride produced when 5.05L of molecular hydrogen measured at STP reacts with an excess of molecular chlorine gas.
2HI(g) ? H2(g) + I2(g) Keq = 0.016. Initially a container contains 0.46 M HI and no product. What is the equilibrium concentration of H2
Rutherford fired positively charged particles at metal foil and concluded that most of the mass of an atom was..a) in the electrons.
An aqueous solution is saturated in both potassium chlorate and carbon dioxide gas at room temperature. What happens when the solution is warmed to 85 C
How many photons will be required to raise the temperature of 2.3 g of water by 2.1k ? Water is exposed to infrared radiation of wavelength 2.7×10?4 cm . Assume that all the radiation is absorbed and converted to heat.
Problem- When rubidium metal is exposed to air, two atoms of rubidium, Rb, combine with one atom of oxygen. If 1.75 grams of rubidium is exposed to air, what will be the mass of the product in grams
If the compound glycine (CH2(NH2)COOH) is oxidized to carbon dioxide and nitrate what is the chemical equation.
Problem- Calculate the equilibrium distribution of Cu(II) species in a carbonate-bearing water at pH 8 where Cut = 5*10^-8 M and Ct = 2*10^-3 M
If there are 1.8 million people served by this water and each person uses 750 L of water a day, how many kilograms of sodium hypochlorite must be added to the water supply each week to maintain the 1.00ppm chloride level
Calculate the quantity indicated for each of the following electrolyses. Enter scientific notation as 1.23E4. (a) [Cu2+] remaining in 5.70E2 mL of a solution that was originally 0.412 M CuSO4, after passage of 3.50 A for 289 s and the deposition o..
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