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
Mumz [18]
2 years ago
11

Which of these would be caused by a chemical change?

Chemistry
2 answers:
Irina18 [472]2 years ago
4 0
<h2>The Answer to this question is C</h2>
s2008m [1.1K]2 years ago
3 0

Metamorphic rock forming from igneous.

You might be interested in
I need help wit this
Olenka [21]

Answer: What are you german

Explanation:

3 0
2 years ago
Read 2 more answers
A sample of seawater has 0.075 g of sodium chloride per mL of solution. How many moles of sodium chloride are there per liter of
amm1812

Answer:

1.28 mol

Explanation:

mole = mass/molar mass

n = v/v/cm³

mass = 0. 075g

v = 1dm³ =1000cm³

n= m/MV=0.075/58.44(1000)

n =1.28 mol

4 0
3 years ago
Describe how the air pressure on Earth affects the weather.
11111nata11111 [884]

Answer:  

As the pressure decreases, the amount of oxygen available to breathe also decreases. Atmospheric pressure is an indicator of weather. When a low-pressure system moves into an area, it usually leads to cloudiness, wind, and precipitation. High-pressure systems usually lead to fair, calm weather.

5 0
2 years ago
Calculate volume of carbon dioxide gas if the mass is 88.0 g at 20.0°C and 950mmHg
aivan3 [116]

Answer:

Tam tam fdjknf

Explanation:

ttgtsrttrg

7 0
3 years ago
Write the electron configurations of cu2+ and ag+. is each electron configuration consistent with the color you observed for eac
djverab [1.8K]
(1) Copper:
Copper has the atomic number : 29
Cu2+ means that it lost 2 electrons, therefore, the total number of electrons is 29-2 = 27 electrons.
The electronic configuration is:
1s2 2s2 2p6 3s2 3p6 3d9

(2) Silver:
Silver has atomic number : 47
Ag  + means that it lost one electron, therefore, the total number of electrons  is 47-1 = 46 electrons
The electronic configuration is:
<span>1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10</span>

8 0
3 years ago
Read 2 more answers
Other questions:
  • A chemist needs 22.0 grams of phenol, C6H5OH, for an experiment. how many molecules of phenol would this be?
    10·1 answer
  • A gas at STP has a volume of 1.0 liter. If the pressure is doubled and the temperature remains constant, the new volume of the g
    15·1 answer
  • How does a thermometer indicate the temperature of an object?<br><br> 
    9·1 answer
  • What does it mean for data to be continuous?
    5·1 answer
  • 1. Use electron dot formulas to predict the formulas of the ionic compounds formed from the
    15·2 answers
  • I need help and it for my science class
    11·1 answer
  • What would life be like if we couldn’t change reaction rates?
    7·1 answer
  • Aquafers are bodies of water found above ground with thriving ecosystems.<br> O True<br> O False
    12·1 answer
  • 6. How many grams are present in 13.2 moles of O₂?
    5·1 answer
  • A 2. 26 l balloon of helium is at 30°c and 1. 61 atm, what is the pressure if the volume is increased to 4. 12 l?.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!