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
Darina [25.2K]
3 years ago
9

If 45 grams of solid aluminum and 301 grams of ammonium perchlorate are reacted. How much excess reactant is left over? Show you

r work using equation editor.
Chemistry
1 answer:
Minchanka [31]3 years ago
3 0

Answer: Your balanced equation is 2Al + 3S --> Al_2S_3. In two separate equations, first use the 48.5g of Al to find the amount (in moles) of Al_2S_3. Then use the 62.8g of S to find the amount (in moles) of Al_2S_3. By doing these, you find which reactant (the Al or the S) produces the least amount of Al_2S_3. Since it's the S, that's the limiting reactant: you then use that 62.8g of S to find how many grams of Al will be used in the reaction. (Use the same balanced equation.) You find that 35.2g of Al will be used, then find the excess by subtracting that 35.19 from the original 48.5g. Your excess amount is 13.3g of Al!

Explanation:

hopefully this is what you were looking for <3 :)

You might be interested in
Draw the products of the complete hydrolysis of an acetal. Draw all products of the reaction.
jolli1 [7]

Answer: the product is ketone or aldehyde

Explanation:

The first step is the conversion of acetal to hemiacetal in the presence of H3O+/ ROH, and then the final conversion of hemiacetal to ketone/aldehyde using

H3O+/ ROH...

Attached is the structural conversion

8 0
3 years ago
Temperature is inversely related to the average kinetic energy of a gas.
Temka [501]
Incorrect, temperature is directly proportional to the avg. KE of a gas.
6 0
3 years ago
How do you find the molecular formula from the empirical formula?
miskamm [114]
To find them you would have numbers of the elements in percentage or grams then you divide them by their molar mass to get their moles. From there you divide by the smallest number. Round it to two or one sig fig. If you have a number that is for ex. 2.5 you multiply it by 2 to make it whole as well the other whole numbers. Then to find the molecular formula the problem must give you another molar mass and using your empirical formula convert it to its molar mass then you divide them, larger number over smaller number. You should get a number round it to 1 sig fig. Now you use that number and multiply the subscripts on the empirical formula to get the molecular formula.
7 0
3 years ago
How are conclusions and evidence related
serg [7]
You need evidence to support a conclustion 
3 0
3 years ago
Read 2 more answers
What would the world be like without elements? please​
Lisa [10]

Answer:

It would be nothing. Quite literally nothing. No Oxygen, no dirt, no anything.

Explanation:

3 0
2 years ago
Read 2 more answers
Other questions:
  • Describe the quantum model of an atom in terms of energy levels, sublevels, and orbitals. (Any atom is acceptable)
    8·1 answer
  • A celestial body is any natural (i.
    6·2 answers
  • Which of the following elements has the most properties in common with iron (Fe)?
    9·2 answers
  • PLZ HELP I NEED THIS TO GET DONE!​
    8·1 answer
  • If a ball rolling down a hill is half way between the top and bottom, how much potential energy does the ball have compared to k
    14·1 answer
  • What is the percent yield of either if 1.11L(d=0.7134 g/mL) is isolated from the reaction of 1.500L of C2H5OH
    5·1 answer
  • why do you think you can find silver and gold on their own in rocks but calcium and magnesium are combined with other elements t
    13·2 answers
  • HELP PLEASE Which type of power generation can produce carbon dioxide? solar hydroelectric coal wind
    6·2 answers
  • Which model of the solar system is shown here?
    5·2 answers
  • A balance and a graduated cylinder are used to determine the density of a mineral sample. The sample has a mass of 16 g and a vo
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!