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Tetraphosphorus decaoxide reacts with water to form phosphoric acid, a major industrial acid. In the laboratory, the oxide is used as a drying agent.
(a) What is the mass of 7.45 multiply 1022 molecules of tetraphosphorus decaoxide?
(b) How many P atoms are present in this sample?
The methylamine hydrochloride dissociates completely in water to form methylammonium ion (CH3NH3+) and chloride ion.
c2h4g o2g co2g h2oghow many moles of o2 would be required to react with 0.640 moles of c2h4 in the above unbalanced
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For the zeroth-order reaction: A ? products, what will happen to the rate of reaction if the concentration of A is doubled? A) The rate will be halved B) The rate will be doubled C) The rate will be quadrupled D) The rate will remain the same
A sample containing 2.20 moles of neon gas has a volume of 8.00 L. Assume that the pressure and the temperature remain constant. What is the new volume of gas in liters when a sample of 70.0 g neon is added to the neon gas already in the container..
If someone using one of those masks exhales 0.716 g of CO2/min, how many grams of potassium superoxide would be consumed in 12.00 minutes?
a certain substance has a molar enthalpy of vaporization of 31.6 kjmol. how much of the substance is in a sample that
Consider 4.90 L of a gas at 365 mmHg and 20. degrees celisus . If the container is compressed to 3.00 L and the temperature is increased to 40.degrees celisus , what is the new pressure, P2, inside the container
A sample of gas has an initial volume of 2.8 L at a pressure of 755 mmHg. If the volume of the gas is increased to 3.7L, what will the pressure be
The total concentration of enzyme in the reaction was 10 mmol/mL. What is thekcat (K2) of this reaction?
Calculate the atomic mass of neon (Ne) which is composed of three naturally occurring isotopes with the following natural abundances and masses
A first order chemical reaction has a rate constant of 5.8×104 s-1 at 10 °C and a rate constant of 4.7×105 s-1 at 64 °C. Calculate the activation energy, Ea, for the reaction.
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