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
Paul [167]
3 years ago
9

Which of these is the best evidence that a chemical reactions occurs when coal burns?

Chemistry
2 answers:
laila [671]3 years ago
3 0

Answer:

It’s b even check quizzes

Explanation:

Rom4ik [11]3 years ago
3 0

Answer:b

Explanation:

You might be interested in
What volume of hydrogen is necessary to react with 6.25g of nitrogen to produce ammonia?
Dovator [93]
A.30L First one the answer
7 0
3 years ago
Read 2 more answers
How many atoms are in each of the following
klio [65]
Okay... what are the following
8 0
3 years ago
Read 2 more answers
What type of chemical bonding would exist between H-C-H?
Svetlanka [38]

Answer:

covalent bond

Explanation:

6 0
3 years ago
Tính khối lượng H2SO4 có trong 50ml dung dịch H2SO4 2M.
podryga [215]

Answer:

50ml=0,05l\\n_H_2SO_4=2.0,05=0,1mol\\mH_2SO_4=0,1.98=9,8g

Explanation:

8 0
2 years ago
Which of these organs is found in the excretory system?
never [62]

The kidneys are involved in the digestive system by filtering urine.


Lungs are part of the <u>respiratory system</u>, the stomach is part of the <u>digestive system</u>, and the heart is part of the <u>circulatory system.</u>


Hope this helps!!

3 0
3 years ago
Read 2 more answers
Other questions:
  • powdered sulfur is yellow and powdered iron is gray when powdered sulfur and powdered iron are mixed at 20° the powdered iron be
    12·1 answer
  • A car, a train, a bicycle, and a skateboard are traveling at the same speed. Which object has the greatest kinetic energy?
    15·2 answers
  • Can someone please help
    11·1 answer
  • Include two kinds
    14·1 answer
  • What is the pH of a solution?
    8·1 answer
  • A 6.32L balloon is filled with air at 25.1°C. If the balloon is heated to 100 °C, what will be the new volume of the balloon
    10·1 answer
  • What three things were a result of the fall or Rome
    15·1 answer
  • 1. Name the following chemicals:
    11·1 answer
  • Nitromethane (CH3NO2) is an explosive compound sometimes used as a fuel booster in racecars. What is the formal charge of the ni
    9·1 answer
  • The temperature of a plastic cup is 70ºF. It is filled with water that is 40ºF. Which of the following describes how thermal ene
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!