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
laiz [17]
3 years ago
9

Can someone please help I’ll give brainliest!!!

Chemistry
1 answer:
padilas [110]3 years ago
5 0
Single replacement because only one letter is being switched out in the reaction
You might be interested in
Samuel adds a teaspoon of salt to a glass of water. He notices that the song disappears. Samuel takes a sip to discover that the
Brilliant_brown [7]

Answer:

It is a physical change.

Explanation:

While it is a chemical reaction because the salt gets dissolved, if you were to   boil the water off of a salt solution, all that would be left is salt. This can be done physically. Thus, it is a physical change.

8 0
3 years ago
Hydrogen gas can be produced by reacting aluminum with sulfuric acid. how many moles of sulfuric acid are needed to completely r
g100num [7]
The balanced equation for the reaction is as follows
2Al + 3H₂SO₄ --> Al₂(SO₄)₃ + 3H₂
stoichiometry of Al to H₂SO₄ is 2:3
number of Al moles reacted - 15.0 mol 
if 2 mol of Al react with 3 mol of H₂SO₄
then 15.0 mol of Al reacts with - 3/2 x 15.0 mol = 22.5 mol 
22.5 mol of H₂SO₄ is required 
8 0
3 years ago
Read 2 more answers
Question 1 (1 point)
stealth61 [152]

Answer:

Q1: 9

Q2:10

Q3: 50

Q4:True

Q5: False

Q6:False

Q7:True

Explanation: Just took the quiz

6 0
3 years ago
Calcium carbonate and copper sulfate are each mixed into a beaker of water.
Natalka [10]
The correct answer is C: Calcium carbonate in water is a solution
8 0
2 years ago
How many grams of CO2 are used when 6.0 g of O2 are produced? Express your answer with the appropriate units.
Ipatiy [6.2K]

Answer:

that is why co2 is in the power of 2ik

8 0
3 years ago
Other questions:
  • The molecules of which phase have the greatest intermolecular forces, compared to their kinetic energies?. . A. plasma. . B. gas
    15·2 answers
  • The yellow light given off by a sodium vapor lamp used for public lighting has a wavelength of 589nm. What is the frequency of t
    10·1 answer
  • What is number 2? the brain stem......
    13·1 answer
  • I NEED HELP PLEASE !!!!!
    14·2 answers
  • How many grams are in 2.06x10-4 moles of calcium phosphate
    10·1 answer
  • Given the reaction: 4 NH3(g) + 5 O2(g) → 4 NO (g) + 6 H2O When 1.20 mole of ammonia reacts, how many moles of water are produced
    8·1 answer
  • Determine the pH, pOH, [H+], and [OH−] of a solution in which 0.300 g of aluminum hydroxide is dissolved in 184 mL of solution.
    15·1 answer
  • Equal masses of carbon dioxide (CO2) and oxygen (O2) are mixed. What is the mole
    13·1 answer
  • How do you find the mass of a tissue box? NOT the volume. I need this for an assignment. please help!
    15·1 answer
  • What are the charecteristics of halogens
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!