03/11/21

What is the value of R for kPa units of pressure

03/11/21

chemistry word problem

how many moles of oxygen are consumed if 8 moles H2 are used to form water?

Calculate the standard enthalpy change for the following reaction.

Using standard heats of formation, calculate the standard enthalpy change for the following reaction.Fe2O3(s) + 3H2(g)2Fe(s) + 3H2O(g)

Equalibrium Concentrations

The equilibrium constant, Kc, for the following reaction is 1.80×10-4 at 298 K.NH4HS(s) NH3(g) + H2S(g)Calculate the equilibrium concentration of H2S when 0.390 moles of NH4HS(s) are introduced... more

Nucleophilic Carbon Question

Would KCN and (CH3)2CuLi be considered structures that have a nucleophilic carbon in them?

How many diffrent carbonyl compounds are formed on reductive ozonolysisof o-xylene?

please can u helpme with this question>?

Please help me solve this problem and show how you did it

I have three problem solving.First, Calculate the amount of crystals recovered if a 2.315 g sample was reduced to 73.00% of its mass after recrystallization.Second, Calculate the percent purity of... more

Concentration of sulfuric acid and balanced equation

Write the balanced neutralization reaction that occurs between H2SO4 and in KOH aqueous solution. Phases are optional.Suppose 0.250 L of  0.500 M of H2SO4 is mixed with 0.200 L of  0.240 M KOH.... more

10. NEED HELP FAST

A  20.574  g sample of aqueous waste leaving a fertilizer manufacturer contains ammonia. The sample is diluted with  71.827  g of water. A  10.093  g aliquot of this solution is then titrated... more

Why don't free radicals undergo rearrangement like carbocation/carbonium ions do?

Why don't free radicals and carbanions undergo rearrangement like carbocation/carbonium ions undergo in a reaction?

What effects does conjugation (alternating single and double or alternating single and triple bonds) have on the location of C=O absorptions? Explain, using...

What effects does conjugation (alternating single and double or alternating single and triple bonds) have on the location of C=O absorptions? Explain, using specific examples. (First find all... more

Organic Chem

A sample of neon gas occupies a volume of 7.22 L at 53.0°C and 1.21 atm.If it is desired to decrease the volume of the gas sample to 5.13 L, while increasing its pressure to 1.52 atm, the... more

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