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If calcium and chlorine combine to form a compound, which of the following terms describes the types of bonds found in the compound?
The piece of iron with a mass 102.9g was submerged in a graduated cylinder filled with water. The initial level of water was 20.0 ml. The density of iron is 7.86 g/ml.
How can I find the pH and volume (mL) of 0.0411M KOH needed to reach the equivalence point in the titration of 23.4mL 0.0390M HNO2? The question doesn't give me a Ka or Kb value.
Which of the following properties indicates the presence of strong intermolecular forces in a liquid
When 20.6 gm of methane and 39.7 gm of chlorine gas undergo a reaction that has a 73.3 % yield. What mass of CH3Cl forms. Hydrogen chloride also forms.
The rate constant of a chemical reaction increased from 0.100s^-1 to 2.90s^-1 upon raising the temperature from 25.0 degree celcius to 43.0 degree celcius
1.2 mol of helium is mixed with 2.3mol of argon in a volume of 1.0L and a temperature of 25.0 degree C. Assuming that helium and argon are perfect gases, what is the pressure of the mixture
a mixture of 0.47 mole of H2 and 3.59 moles of HCl is heatedto 2800 degrees C. Calculate the equilibrium partial pressures of H2, Cl2,and HCl if the total pressure is 2.00 atm. For the reaction:
in the olympics and other major athletic competitions a gc-ms is used to screen athletes for their use of banned
A sealed container of oxygen gas has a pressure of 44.2 atm at 319.0 K. If the container is cooled to 239.0 K, what is the new pressure of the gas
Considerning the electrons in the shells, subshells, and orbitals of an atom, state how many electrons have: of electrons
If the current price of 30. g of vanillin is $112, determine the cost to supply enough vanillin so that the aroma could be detected in a large aircraft hangar with a volume of 3.8 x 10^7 ft^3.
Which answer lists all of the following responses that are endothermic and none that are exothermic? 1. boiling water 2. freezing water
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