How much heat is absorbed

Assignment Help Chemistry
Reference no: EM13151143

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)

Reference no: EM13151143

Questions Cloud

Financial statement fraud schemes : You are the investigator assigned to Apollo Shoes. Based on the nature of the company and the evidence provided to you, you must determine which financial statement fraud schemes would likely be present in the company.
Amount of the gain or loss on retirement of the bonds : What was the amount of the gain or loss on retirement of the bonds? Prepare the journal entry needed at April 1, 2011 to record retirement of the bonds. Assume that interest and premium discount amortization have been recorded through January 1, 20..
What types of mechanisms are involved : Hormones control many aspects of physiology and behavior. Discuss the proposition that hormones themselves are exquisitely controlled substances. What types of mechanisms are involved?
Binomial probabilities by normal probability distribution : Which binomial probabilities can be approximated by the normal probability distribution? Explain. c) what is the probability of between 100 and 110 successes? d) What is the probability of 130 or more successes?
How much heat is absorbed : 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)
How do peptide and steroid hormones differ : How do peptide and steroid hormones differ in their production, secretion and interaction with their receptors?
What are the optimal units of labor : Suppose that in the short run k=100. Moreover, wage of labor is w=5 and price of the product is p=10. What are the optimal units of labor?
Infinitely repeated cournot duopoly : Infinitely Repeated Cournot Duopoly: Alice and Bob each operate each operate a firm in a quantity setting (Cournot) duopoly game. Let the cost of a unit for Alice and Bob be 6
Journal entry to accrue the monthly sales salaries : Prepare the general journal entry to accrue the monthly sales salaries expense at January 31. The employer payroll taxes for Metro Express include FICA taxes, federal unemployment taxes of 0.8% of the first $7,000 paid each employee, and state unem..

Reviews

Write a Review

Chemistry Questions & Answers

  What is the final volume

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

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

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?

  What would be the ph of solution of hx in water

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

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

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.

  What is the molecular formula of a compund that contains

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

  Explain the structure of the original unknown compound

An unknown compound with a molecular formula of C8H18 reacts with chlorine in the presence of light and heat

  Evaluate the volume of a gas using avogadro''s law

Application of Avogadro's law - To evaluate the volume of a gas using Avogadro's Law.

  How many g of hcl reacted

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?

  What is the minimum mass of nahco3 that must be added

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 ?

  Explain what exactly is the reduction of alkynes

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?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd