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A 28.0-g sample of water at 250. K is mixed with 47.0 g water at 300. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
How many moles of CO2 will be produced if 3.119 g of O2 are reacted completely?
The normal boiling point for acetone is 56.5°C. At an elevation of 5300 ft the atmospheric pressure is 630. torr.
Established in a container of 1.0 Litre at a temperature of 1,000 K, where K c = 4.0 ⋅ 10NH 3 (g) are present. Calculate What is the equilibrium concentration of H 2 (g).?
A flask contains a mixture of Ne(g) and Ar(g). There are 0.250 mol of Ne(g) which exerts a pressure of 205 mmHg. If the Ar(g) exerts a pressure of 492 mmHg.
Determine the percent by mass of calcium carbonate in the sample
Normally the alkaline earth carbonates (MCO3; M = Mg^2+, Ca^+2, Sr^+2, Ba+2) are insoluble in water. Why would the method used in this experiment work for calculating the molar mass of the alkaline earth? How would the calculations have to be cha..
C2H4 + 3O2 = 2CO2 + 2H2O if you start with 45 grams of ethylene (C2H4), how many grams of carbon dioxide will be produced.
A closed vessel contains moist air at 20 degree celcius, the relative humidity being 30 %. What would be the relative humidity become if the vessel were cooled to 10 degree celcius?
58.0 mL of a 1.30 M solution is diluted to a volume of 228 mL. A 114-mL portion of that solution is diluted using 141 mL of water.
How many types of nonequivalent protons does the following compound contain
How many molecules of carbon dioxide are produced when 129 molecules of acetylene (HCCH) to react in excess oxygen produce carbon dioxide and water.
What is the balanced equation for copper (II) hydroxide + acetic acid (HC2H3O2)? and what is it's reaction, single, or double replacement.
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