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Problem- If He gas has an average kinetic energy of 5710 J/mol under certain conditions, what is the root mean square speed of Cl2 gas molecules under the same conditions?
How do I yet start setting this up? Thank you
A 15.0 mg sample of a protein is dissolved in water to make 27.0 ml of solution. The osmotic pressure of the solution is 0.56 torr at 25 C. What is the molar mass of the protein?
Without doing any calculations determine what the sign of delta s will be for the following equation 2CO(g)+O2(g)>>>2CO2 (g) that's all we were given and i'm not sure how to solve without any additional information.
The crystalline form of silver (Ag) is composed of face-centered cubic unit cells. If the density of silver is 10.48 g/cm3 at room temperature,
What volume of 6.0 M sulfuric acid is required for the preparation of 500.0 ml of 0.30 M solution
Calculate the concentration of all species in a 0.050 M tartaric acid solution. These species include [H3O+], [HC4H4O6^1-], H2C4H4O6] and [C4H4O6^2-]. For tartaric acid, Kal=1.0 x 10^-3 and Ka2=4.6 X 10^-5.
Write a balanced chemical reaction for the formation of a free fatty acid from a soap molecule under acidic conditions. Why would the formation of free fatty acids inhibit the cleaning ability of the soap
explain how much ethane, in grams, must be burned in order to heat 217.3 grams of water from 51°C to the boiling point as well as then boil all of it into the gas phase at 100°C. Define the enthalpy of vaporization of water = 40.8 kJ/mol as well a..
The heat of formation of KCl(s) is -436.7 kJ/mol and the heat of formation of KCl(aq, 1 m) is -419.5 kJ/mol. Determine the heat of solution of KCl.
a 10g sample of acetic acid hc2h3o2. was burned in a bomb calorimeter in an excess of oxygen. the temperature of the
600 mL of water is heated from 20c to 85 c to make a cup of tea. How much heat flows into the water? NOTE: density and specific heat capacity of water 1.00g/mL and 4.18J/(g.c) respectively.
What is the concentration of the chloride ion (in M) in a solution which contains 57.6 g aluminum chloride in 501 mL of solution
A 0.2254g sample of naphthalene (C8H10, 128.16g/mol) was burned in a bomb calorimeter with a heat capacity of 2.18kJ/K and temperature increased by 4.16 Celcius, what is the molar enthalpy of combustion for this compound
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