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
bagirrra123 [75]
3 years ago
15

A science teacher showed the class how potassium chromate changes color when it’s temperature change . Which of the following st

atements accurately supports whether potassium chromate had a physical or chemical change
Chemistry
1 answer:
GarryVolchara [31]3 years ago
8 0

Answer:

its b

Explanation:

You might be interested in
A student measures a mass of an 8cm3 block of brown sugar to be 19.9G. what is the density of the brown sugar?
Naily [24]

Answer:

<h2>2.49 g/cm³</h2>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume} \\

From the question we have

density =  \frac{19.9}{8}  \\  = 2.4875

We have the final answer as

<h3>2.49 g/cm³</h3>

Hope this helps you

3 0
3 years ago
Any element can always be identified by its:
Alborosie

Explanation:

atomic mass

Really...i think it can also be atomic number..

3 0
3 years ago
Whats the difference between mass and volume
Lady bird [3.3K]

Answer: Volume – How much space an object or substance takes up. Mass – Measurement of the amount of matter in an object or substance.

Explanation:

3 0
2 years ago
Read 2 more answers
Help please asap. chem sucks
luda_lava [24]

I'm assuming that C is carbon.

4.590 \: mol \: c \times  \frac{12.01 \:g \: c}{1 \: mol \: c}

55.1259 g of C

6 0
3 years ago
How is oxygen different than neon explain your answer
lora16 [44]
Oxygen and neon are both elements. Oxygen has 8 electrons and 8 protons. Neon has 10 electrons and 10 protons. Oxygen is also a non-metal element and Neon is a noble gas.
5 0
3 years ago
Other questions:
  • Write a chemical equation that describes the dissolving of solid magnesium nitrate, Mg(NO3)2, in water.
    11·2 answers
  • Which of the following is the most likely sign that a chemical change has happened?
    12·1 answer
  • Give a sketch illustrating the different types of interconversion<br>​
    8·1 answer
  • Ability to conduct electricity
    14·1 answer
  • What does the formula 2n2 represent?
    7·1 answer
  • What wind direction change usually occurs as a cold front moves through an area?
    12·2 answers
  • 5.4 g of Aluminium reacts with 300 mL of 0.2 mol/L hydrochloric acid solution. A. Write equation for the reaction taking place.
    9·1 answer
  • A scientist wants to study the diversity of soil bacteria found during different months of the year A.what is her independent va
    11·1 answer
  • What type of rock is limestone? Describe how a limestone rock is likely to change over a long period of time.
    15·1 answer
  • Use electron configurations to account for the stability of the lanthanide ions Ce4⁺ and Eu2⁺.
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!