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Using your previous general knowledge, give some guidelines for guidelines for predicting the sign of delta h in terms of breaking and forming bonds.
A compound contains 40.0% carbon, 6.7% hydrogen, and 53.3% oxygen (by mass). calculate empirical formula.
Given the following balanced equation, determine the rate of reaction with respect to the [NOCl]. If the rate of Cl2 loss is 4.84 * 10-2 M/s, what is the rate of formation of NOCl
how many moles of oxygen are consumed each time 0.500 mole of P2O5 is formed?
Explain when baking soda is added to vinegar, the resulting reaction produces a tremendous amount of gas. Write this equation for the reaction of NaHCO3(s) with HC2H3O2 (aq). Contain phase symbols.
Sand consist mainly of silicon dioxide. When sand is heated with an excess of coke (carbon), pure silicon and carbon monoxide are produces. Write a balanced equation for the reaction
Burned under conditions of constant pressure
Calculate the change in pH when 7.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in NH3(aq) and 0.100 M in NH4Cl(aq).
Calculate the number of molecules inside the cell, which is 2.2 ?m long and 1.2 ?m in diameter.
If a partially used battery contains 1.44 g of each of these four substances, for how many more hours will the watch run? The Faraday constant is 96485 C/mol.
a tugboat tows a ship at a constant velocity. the tow harness consists of a single tow cable attached to the tugboat at
Calculate delta H in kilojoules for the reaction, assuming that the heat capacity of the calorimeter is 776J/C , that the specific heat of the final solution is the same as that of water [(4.18 J/(gxC) ], and that the density of the solution is 1...
Question- Give the line structure of the organic product formed when cyclohexene is reacted with permangate in the presence of base
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