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Which of the following compounds have eclipsing hydrogens? If so do all the hydrogens eclipse each other? Are there any other eclipsing atoms?
1.Propene CH2--(double bond)CH-CH3
2. Ethanol CH3-CH2-OH
3. Acetone (CH3)2-C--(double bond) O
4. Benzene C6H6
5. Cyclohexane C6H12
2KClO3 + heat > 2KCl + 3O2, How many moles of O2 form as 3.0 mol of KClO3 are totally consumed.
find the percent composition of a compound that contains 1.94g of C, 0.48-g of H and 2.58-g of S in a 5.00-g S sample of the compound
How many moles of CO(NH2)2 are present in 105 g of water, if the freezing point of the solution is -4.02C? kf(water) = 1.86 K · kg/mol.
Given total pressure and equilibrium constant, calculate equilibrium partial pressure, The heterogeneous equilibrium process
Rank them in order of size from largest to smallest. In this diagram, A and B are different palindrome sequences on a DNA strand. Only the restriction enzyme that recognizes site B is present. Explain why only two fragments would be produced. How ..
what is the standad potential for I 2 being reduced to I- given that the standard reduction potential for Cr2O7 2- changing to Cr3+ is +1.33V I got to
an irregular shape of metal has a mass of 54.6 grams and displaces 2.83 cm^3 of water when dropped into a graduated cylinder filled with water. What is the identity of the pure metal?
The pressure is steeply increased to 100 bar. The volume of the liquid is decreased by 1 ml at this constant pressure. Find the deltaH and deltaU
a 5.0 g sample of a hydrate of CaCl2 was heated, and only 4.3 g of the anhydrous salt remained. what percentang of water was in the hydrate?
The rate constant of some reactions double with every 10 degree rise in temperature. Assume that a reaction takes place at 295 K and 305 K. What must the activation energy be for the rate constant to double as described?
Calculate the mass (in mg) of KCN needed to make 500. mL of aqueous KCN solution with a pH of 10.00.
Calculate the standard heat of reaction, or for this reaction using the given data. Also consider that the standard enthalpy of the formation of elements in their pure form is considered to be zero.
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