1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Trava [24]
3 years ago
5

What is the limiting reactant when 19.9 g CuO react with 2.02 g H2?

Chemistry
1 answer:
Harlamova29_29 [7]3 years ago
4 0

Answer:

Explanation:

use the equation

moles = mass/mr

=19.9/79.5

=0.250moles of CuO

then do the same for

H = 2.02/1

=2.02

so CuO is the limiting reagent because there is less amount of it.

Hope this helps  :)

You might be interested in
Based on the results of testing colorless solutions with indicators, which solution is most acidic?
sertanlavr [38]

A solution in which methyl orange is red indicates the most acidic substance.

<h3>What is an Indicator?</h3>

This is defined as a substance that gives a visible sign, usually by a colour change when a chemical species is added.

On litmus paper, the redder the color is, the more acidic it is which was why methyl orange changing to darker red signifies most acidity.

Read more about Indicator here brainly.com/question/1918667

5 0
3 years ago
The enthalpy change of reaction is also called
Vikentia [17]
C) Heat of the reaction.
7 0
3 years ago
Read 2 more answers
PLEASE HELP! 25 POINTS!!!! I got the #1, just not #2 and #3. An industrial chemical company has opened a new plant that will pro
podryga [215]

Answer :

Part 1 : Balanced reaction, 3H_2(g)+N_2(g)\rightarrow 2NH_3(g)

Part 2 : The theoretical yield of NH_3 gas = 440.96 g

Part 3 : The % yield of ammonia is 90.03 %

Solution : Given,

Mass of N_2 = 475 g

Molar mass of N_2 = 28 g/mole

Molar mass of NH_3 = 17 g/mole

Experimental yield of NH_3 = 397 g

<u>Answer for Part (1) :</u>

The balanced chemical reaction is,

3H_2(g)+N_2(g)\rightarrow 2NH_3(g)

<u>Answer for Part (2) :</u>

First we have to calculate the moles of N_2.

\text{Moles of }N_2=\frac{\text{ Mass of }N_2}{\text{ Molecular mass of }N_2}=\frac{475g}{28g/mole}=16.96moles

From the given reaction, we conclude that

1 moles of N_2 gas react to give 2 moles of NH_3 gas

16.96 moles of N_2 gas react to give \frac{2}{1}\times 16.96=33.92 moles of NH_3 gas

Now we have to calculate the mass of NH_3 gas.

\text{ Mass of }NH_3=\text{ Moles of }NH_3\times \text{ Molar mass of }NH_3

\text{ Mass of }NH_3=(33.92moles)\times (17g/mole)=440.96g

Therefore, the theoretical yield of NH_3 gas = 440.96 g

<u>Answer for Part (3) :</u>

Formula used for percent yield :

\% \text{ yield of }NH_3=\frac{\text{ Experimental yield of }NH_3}{\text{ Theoretical yield of }NH_3}\times 100

\% \text{ yield of }NH_3=\frac{397g}{440.96g}\times 100=90.03\%

Therefore, the % yield of ammonia is 90.03 %

3 0
3 years ago
What kind of bond would you find between two alike oxygen atoms
IRISSAK [1]

Answer:

Covalent bond

Explanation:

3 0
3 years ago
Read 2 more answers
Temporary haircolor is attracted to hard keratin<br><br> true<br><br> false
Nady [450]

Answer:

Braniest please

Explanation:

I think true

7 0
3 years ago
Other questions:
  • True or false certain cations are associated with either exotermic or endothermic processes
    7·1 answer
  • Covalent solutes are considered non-electrolytes. What does this mean for the conductivity of the solution? A) Non-electrolytes
    7·2 answers
  • At constant pressure, which of these systems do work on the surroundings? Check all that apply.
    6·1 answer
  • A sulfuric acid solution containing 571.6 g of H2SO4 per liter of aqueous solution has a density of 1.329 g/cm^3.Calculate:a. Ma
    15·1 answer
  • Which is an example of a heterogeneous catalyst?
    7·2 answers
  • carbon has an average atomic mass of 12.011 amu (as given on the periodic table). Which isotope of carbon do you think is more a
    7·1 answer
  • 03<br>A force of 20 N acts upon a 5 kg block. Calculate the acceleration of the object.​
    7·1 answer
  • Are hydroxides a type of oxide or are oxides and hydroxides two different things entirely?
    8·1 answer
  • 3) How many moles are in 22 grams of argon?
    6·1 answer
  • Determine the number of moles of H in each sample
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!