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Which of the following statement(s) is (are) true about a compound that has a molecular ion peak in its mass spectrum at mass 69, and shows a prominent peak in its IR spectrum at 2250 cm-1? A) Both (The compound has a molecular mass of 70) and (The compound contains a CO group) are true statements. B) Both (The compound has a molecular mass of 70) and (The compound contains a cyano or alkyne group) are true statements. C) The compound has a molecular mass of 70. D) The compound contains a cyano or alkyne group. E) The compound contains a CO group
How much heat (in kJ) is required to warm 16.0g of ice, initially at -11.0 C, to steam at 112.0 C? The heat capacity of ice is 2.09 J/g*C and that of steam is 2.01 J/g*C.
The volume of a gas is 5.0L when the temperature is 5.0C. If the temperature is increased to 10.0C without changing the pressure what is the new volume?
2.00 moles of a gas occupies 62.2 L at a particular temperature and pressure. Its density is 0.900 g/L. The standard molar volume is 22.4 L/mole. What is the molar mass.
Calculate the number of moles of aluminum, sulfur, and oxygen atoms in 8.00 of aluminum sulfate, Express the number of moles of Al, S, O, and atoms numerically, separated by commas.
0.375 kg of water are in a well insulated container at 21.3 c. After 4.184kj of heat are added to the water, what is the final water temperature ?
How many moles of HNO3 are present in 35.0 mL of a 4.50 M solution of nitric acid?
A reaction of one liter of chlorine gas with 3 liters of fluorine gas yields 2 liters of a gaseous product. All gas volumes are at the same temperature and pressure. What is the formula of the gaseous product?
The equilibrium constant for the reaction of bromine with chlorine to form bromine monochloride is 58.0 at a certain temperature.
calculate (a)molality? (b)molarity of NaCl? (c) What is the mass/mass and remove the most loosely held e- from a gaseous atom in a ground state
when 56.6g of calcium and 30.5g of nitrogen gas underfo a reaction that has a 93.0% yield, what mass g of calcium nitride forms.
In high spin complexes, the crystal field splitting energy is small and in low spin complexes, electrons are concentrated in the lower energy orbitals.
Determine what type of bond is expected for a compound formed between Magnesium and Oxygen Based on these values,?
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