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A 1.00 L vessel at O C contains 0.19 mol H2, and 1.9 mol CH4. Calculate the pressure of gas mixtureand the partial pressure of each constituent gas in the mixture.P(total) = atm?P(N2)= atm?P(H2)= atm?P(CH4)= atm?
You place ethanol of 100 grams and water of 100 grams in a refrigerator. both are at room temperature Initially,. Determine which of the two liquid samples will cool faster and also explain why this happens.
The tarnish on a teapot is a result of the silver metal reacting with the oxygen in the air according to 4Ag(s) + O2(g) -> 2 Ag2O(s),\quad \Delta H = -62. kJ/mol
A solution of I2 was standardized with ascorbic acid. Using a 0.100 g sample of pure ascorbic acid, 25.32 ml of I2 were required to reach the starch end point.
A compound of chromium and oxygen contains 18.9 g of the nonmetal and 41.1 g of the metal. How many grams of chromium are in 1.22 kg of the compound
what volume of a 0.400 mM solution of nickel (II) acetate (FW 247.7 g/mol) is required to provide 20mg of nickel
composition diagram to explain why fractional distillation of 2 components is more easily accomplished if the components have boiling points that differ by 20 C or more?
hydrogen gas is produced when zinc reacts with sulfuric acidnbsp if 164 of wet h2 is collected over water at 24c and a
a. glucose is present in bacterial cells at a concentration ofabout 1 mm. what is the concentration of glucose
How Many moles of NaOH are needed to neutralize the acid? D) Calculate the volume of NaOH solution required to react completely with the acid.
a chemist started to carry out column chromatography on afriday afternoon reached the point at which the two
Calculate the number of carbon atoms in 0.75 L of acetone (CH3COCH3). (density = 1.3 g/mL and boiling point = 48.5 degrees Celsius)
Identify the missing particle in the following equation: 238:92 U --> 4:2 He + ? a) 242:94 Pu b) 234:90 Th c) 242:90 Th d) 234:92 U E) None of these
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