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
Liono4ka [1.6K]
3 years ago
5

As Mia mixed two substances in a test tube, she noticed that the test tube became warm. She also noticed gas coming from the tes

t tube. Based on Mia's observations, what was most likely occurring inside the test tube?
A.The two substances underwent a physical change
B.The two substances were melting
C.A new substance was forming
D.A change in the mass of the two substances
Chemistry
1 answer:
ss7ja [257]3 years ago
8 0

Answer:

a new substance was forming

Explanation:

You might be interested in
Which of the following is not true about elements? 1. Elements are made of atoms of the same type. 2. Each element has a unique
Marat540 [252]

Sorry If This Is Late***

<u>Elements can't be broken down</u>, into a simplre set of properties. They are one strict unit & cannot be broken down, however they can be added together to make a compound.

HOPE THIS HELPS & good luck <3 !!!!!

7 0
2 years ago
What is the result of a neutralization reaction between nitric acid (HNO3) and potassium hydroxide (KOH)?
scZoUnD [109]
HNO3+KOH = H2O+KNO3 . When nitric acid react with pottasuim hydroxide, the reaction will produce water (H20) and pottasuim trioxonitrate
3 0
3 years ago
Read 2 more answers
What term best describes the arrangement of particles in an ionic compound?
weeeeeb [17]
The arrangement of particles that make up an ionic compound would be an ionic lattice type of crystal arrangement. An ionic lattice type of structure will be formed due to many of the ionic bonds formed between the oppositely charged ions of the metal and nonmetal.
6 0
3 years ago
How many moles of copper atoms are in 150g of copper metal
djyliett [7]
The answer to this question would be: 2.36 mol

To answer this question, you need to know the molecular weight of copper. Molecular weight determines how much the weight of 1 mol of a molecule has. Copper molecular weight about 63.5g/mol. Then, the amount of mol in 150g copper should be: 150g / (63.5g/mol)= 2.36 mol
3 0
2 years ago
when u walk your dog ur using energy from the sunlight to power this activity explain (ANSWER PLESSSSSSSSSSSSSSZZZ)
wariber [46]

Answer:

When you walk your dog, you are using energy from the sunlight to power the activity. Explain. The energy you use is transferred from glucose, which got it directly from sunlight.

Explanation:

4 0
3 years ago
Other questions:
  • What are the first five elementsof the periodic table?
    7·1 answer
  • What kind of properties can only be observed when a substance changes into a different substance?
    8·1 answer
  • Marshall determines that a gas has a gage pressure of 276 kPa what's the absolute pressure of this gas
    13·2 answers
  • Whats is a chemical change of a paper bag
    13·2 answers
  • How much water should be added to 70ml of 60 percent acid solution to dilute it to a 50 percent acid solution?
    6·1 answer
  • Which statement about the density of cold water is most likely correct?
    6·2 answers
  • At sea level, where the pressure was 104 kPa and temperature 21.1 ºC, a certain mass of air occupies 2.0 m3 . To what volume wil
    10·1 answer
  • how much potassium bromide will form a saturated solution with 100 grams of water at 40 degrees celsius
    12·1 answer
  • An atom of an element contains 9 protons. Which element is it?
    15·1 answer
  • Which TWO observations are evidence that a chemical change is happening?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!