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If 100 g of Mg reacts with excess HCl, what volume of hydrogen gas at 25 degrees C and 1.0 atm pressure will be produced? [balanced equation]
a) 100 L
b) 25 L
c) 22.4 L
d) 11.2 L
e) 4.12 L
if you have 330 ml of water at 25.00 and add 120ml of water at 95 C what is the final temperature of the mixture
Which process is accompanied by an increase in entropy?
The specific heat of the mixture is 4.21 J/(g.c), What is the enthalpy change for the neutralization reaction of 2.80 mol of CsOH in KJ?
the order of the reaction was n=0 and the value of the rate constant was 3.41*10^-3 M s^-1. I could find the order of reaction and the value of the rate constant but I am clueless about how to find the rate of reaction when [A]=0.15M.
Determine the concentration of the sodium hydroxide solution? Considering this balanced equation given as :
Two solutions of an unknown slightly soluble salt, A(OH)2, were allowed to equilibriate- one at 25 degrees C, the other at 80 degrees C. A 15 mL aliquot of each solution is tiotrated with .200 M HCl. 8 mL of the acid is required to reach the endpo..
A balloon is filled with helium to a volume of 1.05 x 10^3 L on the ground, where the pressure is 745 mm Hg and the temperature is 20. °C. When the balloon ascends to a height of 2 miles
Predict the probability P9v) that a molecule will have a given total velocity of more specifically P(v)dv is the probability that a molecule will have a velocity btwn v and v+dv.
Analysis with an elaborate instrument indicates that substance A contains two elements. Substance B and substance C react to give a new substance D.
Calculate the vapor pressure of a solution prepared by dissolving 70.0 g of naphthalene, C10H8 (a nonvolatile nonelectrolyte), in 220.0 g of benzene, C6H6, at 20°C. Assume the solution is ideal. The vapor pressure of pure benzene is 74.6 torr at 2..
A pure gas sample at room temperature (25 C) has an average molecular speed of 682 m/s. What is the identity of the gas.
how many moles of excess reactant are present when 2.90*10^2 ml of .182 M sulfuric acid reacts with .423 L of .170 M sodium hydroxide to form water and aqueous sodium sulfate?
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