Important information about balanced chemical equation

Assignment Help Chemistry
Reference no: EM13126155

Important information about balanced chemical equation
1. If 1 mole of Al4C3 has a mass of 144g and carbon has a mass of 12g, what is the atomic mass of aluminum?

2. hydrogen cyanide (boiling temp 26 degrees)
Write a balanced chemical equation using the lowest possible whole number coefficients, including the state of each compound. Reaction occurs at a temperature above 100 degrees

CH4 + NH3+ O2 ----> HCN + H2O

3. rearrange the following equation to make x the subject.
a). r=sx2 divided by 2t
b). 6y=9 - 3x

Reference no: EM13126155

Questions Cloud

Beginning the audit report : Apollo Shoes is satisfied with the services your firm offers and wants to continue with the audit. Apollo Shoes would like you to prepare a letter explaining how you plan to begin the audit process.
What volume (in ml) would be occupied by sample of osmium : osmium has a density of 22.6 g/cm3. what volume (in mL) would be occupied by a 21.8 g sample of osmium?
Factory overhead are added uniformly throughout the process : Information for April follows. Assume that all materials are added at the beginning of its production process, and that direct labor and factory overhead are added uniformly throughout the process.
Why taxpayer must include any amount in gross income : For each of the following items indicate, whether the individual taxpayer must include any amount in gross income.
Important information about balanced chemical equation : Important information about balanced chemical equation, 1. If 1 mole of Al4C3 has a mass of 144g and carbon has a mass of 12g, what is the atomic mass of aluminum?
Calculate the mass in grams of carbon dioxide : Calculate the mass in grams of carbon dioxide that will be produced when 25.0 g of ethanol is burned.
Compare additional effort associated with each modification : Modify the Excel Solver model solverRM2.xls and the AMPL model to account for the new situation and determine the optimum solution. Compare additional effort associated with each modification.
Test hypothesis that there was no difference in preferences : While 290 out of 400 in Batavia preferred the same flavor. To test the hypothesis that there was no difference in preferences in the two towns, what is the alternate hypothesis?
Permutations-inverses and mappings : Prove that the set of all onto mapping from A to A is closed under composition of mappings. Prove that the set of all one-to-one mappings from A to A is closed under mapping composition.

Reviews

Write a Review

Chemistry Questions & Answers

  How many grams of nickel would be electroplated

how many grams of nickel would be electroplated by passing a constant current of 7.2 A through a solution of NiSO4 for 90 minutes.

  How many atoms of sodium are present in the sample

Suppose you have a sample of sodium weighing 11.42 g. How many atoms of sodium are present in the sample.

  What is the equilibrium partial pressure of n2o4

A 1.90 mole quantity of NOCl was initially in a 1.50 L reaction chamber at 400°C. After equilibrium was established, it was found that 36.0 percent of the NOCl had dissociated.

  What is the composition of a vapor mixure

Methylbenzene and 1,2-dimethylbenzene mix to form an ideal solution. At 90oC, the vapor pressure of pure methylbenzene is 400 Torr and that of pure 1,2-dimethylbenzene is 150 Torr.

  Calculate the concentration of h+

A 0.0560 g quantity of acetic acid is dissolved in enough water to make 50.0 mL of solution. Calculate the concentration of H+, CH3COO-, and CH3COOH at equilibrium. Ka for acetic acid= 1.8x10^-5.

  Write the reaction mechanism for the synthesis of methyl

Recommend an explanation why the cyclic intermediate might have two important groups in a trans relationship that could factor the E-alkene.

  Calculate the theoretical yield of iron

Calculate the theoretical yield of iron in the reaction of 254 g of iron (III) oxide with 25.0 g of carbon, according to the equation 2Fe2O3(s) + 3C(s)> 4Fe(s) +3CO2(g)

  How many grams of fluorine was formed

The mass ratio of sodium to fluorine in sodium floride is 1.21:1. a sample of sodium fluoride produced 26.5g of sodium upon decomposition how many grams of fluorine was formed.

  What will the final volume of the sample be

the pressure exerted on a 240 mL sample of hydrogen gas at a constant temperature is increased from .428 atm to .724 atm. What will the final volume of the sample be.

  How many moles of co will be produced

If a total of 13.5 mol of NaHCO and 4.5 mol of C H O react, how many moles of CO and Na C H O will be produced? 3NaHCO (aq) + C H O (aq) 3CO (g) + 3H O(s) +Na C H O (aq).

  Calculate the boiling point of the solution

A solution is prepared by dissolving 27.1 g urea, (NH2)2CO, in 171.2 g water. Calculate the boiling point of the solution. Urea is a nonelectrolyte.

  What is ?h for the formation of one mole of al2o3(s)

Consider the reaction 2 Al2O3(s) → 4 Al(s) + 3 O2(g). ?H = +3339.6 kJ/mol What is ?H for the formation of one mole of Al2O3(s) from the elements

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