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Define the comparative reactivity and hazards of NaBH4 as compared to LiAlH4. As well, compare the different results while they are added to A) water; B) ethyl acetate; C) methanol.
why do we assume that the extra electrons in i3- must be placed on the central iodine atom to exceed the octet rule?is
If the sample reacted completely and produced 2297 mL of carbon dioxide at 24.88 °C and 736.6 mm Hg, what was the mass percentage of MgCO3 in the mixture
For the following reaction, label the acid, base, conjugate acid, and conjugate base. Given the following values for Ka, circle the stronger acid and stronger base and predict whether the equilibrium is toward the reactants or products.
The solubility of MX in a solution buffered to pH=2.00 is only 3.17 x 10^-8M. It turns out that HX is a weak acid. (Ka= 1.00 x 10^-15M)
Consider the following equilibrium process at 700°C. 2H2(g)+S2(g) 2H2S(g) Analysis shows that there are 2.50 moles of H2, 1.35 10-5 mole of S2, and 8.70 moles of H2S present in a 12.0 L flask. Calculate the equilibrium constant Kp for the reactio..
If 975g of copper is heated from 20 degrees C to 80 degrees C what amount of heat is absorbed?
Calculate the standard enthalpy of the reaction, \Delta {{H}^\circ}_{\rm rxn}, for the thermite reaction: \rm 2Al(s) + Fe_2O_3(s) \rightarrow 2Fe(s) + Al_2O_3(s)
When a solution of hydrogen peroxide is put on a cut, it bubbles, producing water and oxygen gas. If someone puts 0.56 mL of 3.00% hydrogen peroxide solution on a cut, what is the volume in mL of oxygen produced
Given that the partial pressure is 7.0x10^-4 atm, what is the pH of water at equilibrium with the atmosphere
what is the energy of a photon emitted from an electron in a hydrogen atom when it jumps from the n 7 to the n 3
How much water would be needed to completely dissolve 1.66 of the gas at a pressure of 700 and a temperature of 10? Kh of gas of 0.194 M/atm.
1. if 12.26l of gas a reacts according to the following equation 2ag3bgagrave9c g 6dgwhat volumes of gases c and d are
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