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How much heat is absorbed in the complete reaction of 3.00 grams of SiO2 with excess carbon in the reaction below? Change in H degrees for the reaction is +624.6 kJ. SiO2 (g) + 3C (s) -> SiC (s) + 2CO (g)
A gas occupying a volume of 263 mL at a pressure of 0.970 atm is allowed to expand at constant temperature until its pressure reaches 0.541 atm. What is its final volume?
What is the molarity of a 1.304 L solution that is made from 14.80 g of NaCl?Answer in units of M.
what are the concentrations of each component If a 10.00L vessel has 2.50 mol CO 2 and H 2 O, and 5.00 mol CO 2 and H 2 gas at 588°K, (Kc = 31.4 at 588°K), at equilibrium?
A weak acid HX has Ka = 1.00×10-6. What would be the pH of a 0.10 M solution of HX in water?
Compute the mass of Trisodium phosphate required to remove all Ca^2+ ions from 2.50 Litres of the H 2 O sample?
Calculate the number of moles of the H2O2 in the 10.00 mL sample in every titration from the volume of KMnO4 used and the stoichiometry of the reaction.
Molecular Formula of a Compound from Percent Composition and Molar Mass, What is the molecular formula of a compund that contains 42.87%carbon, 3.598% hydrogen, 25.00% nitrogen
An unknown compound with a molecular formula of C8H18 reacts with chlorine in the presence of light and heat
Application of Avogadro's law - To evaluate the volume of a gas using Avogadro's Law.
Zn(s) + 2 HCl(aq) → H2(g) + ZnCl2(aq) If 1.26 L of H2 gas are formed at STP, how many g of HCl reacted?
If 32 mL of 6.8 M H2SO4 was spilled, what is the minimum mass of NaHCO3 that must be added to the spill to neutralize the acid ?
What exactly is the reduction of alkynes? I just understand that it is a method for synthesizing alkenes. Why are the leaving groups for E2 reactions not as good as E1 reactions?
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