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
dezoksy [38]
3 years ago
13

Copper slowly reacts with oxygenIs this a physical or chemical change?

Chemistry
1 answer:
rosijanka [135]3 years ago
7 0

Answer:CHEMICAL

Explanation:

it cannot go back to its original state and it reacts.

You might be interested in
Help me
Valentin [98]

Answer:

South American

Explanation:

When you look at a map of plates, only South American forms a boundary with the African plate out of those specific plates

6 0
3 years ago
Read 2 more answers
What kind of bond is formed between a metal and a nonmetal? Explain your answer.
shusha [124]

Answer:

NVIDIA GeForce RTX 3080 10GB GDDR6X PCI Express 4.0 Graphics Card

Explanation:

5 0
3 years ago
Read 2 more answers
In a neutral solution, the concentration of H+ is
Elan Coil [88]

Answer:

1 x 10^-7 or 7

Explanation:

pH=-log(H+)

pH+pOH=14

5 0
3 years ago
Balance this equation. Not all spots have to have a number.
Lisa [10]

2Na+2H2O----2NaOH+H2

3 0
3 years ago
Determine the number of grams of carbon-14 remaining in this sample at 17,100 years.
earnstyle [38]

Answer: I need help

Explanation:

8 0
3 years ago
Other questions:
  • On a molar basis, which is a more effective bleaching agent- kbro3 or naocl?
    7·1 answer
  • 27.4 g of Aluminum nitrite and 169.9 g of ammonium chloride react to form aluminum chloride, nitrogen, and water. How many grams
    6·1 answer
  • Which of these do all cells release? and why?<br> A. sugar <br> B. water<br> C. energy<br> D. oxygen
    7·2 answers
  • Please can I have help on these two questions I’ll be very grateful!!!!!!
    7·1 answer
  • Hydrogen is a gas at a room temperature, but it is found with the alkali metals in group 1 (1A) on the periodic table. Which is
    11·1 answer
  • You place ice cubes into a glass of lemonade what happens to make the lemonade to get cold
    15·2 answers
  • In the chemical formula 3nh4, how many total atoms of hydrogen (h) are there? 1 4 12
    14·1 answer
  • What happens to the pressure of gas when the temperature is increased?
    8·2 answers
  • Explain with example the need of standard measurement system​
    6·2 answers
  • How much would the boiling point of water increase if mol of NaCl added 1 kg of water (Kb= 0.51 degrees Celsius /(mol/kg) for wa
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!