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
Vanyuwa [196]
3 years ago
14

What are the signs of a chemical change

Physics
1 answer:
Rom4ik [11]3 years ago
5 0
Gas or bubbles are formed
Heat, light, or sound is given off
Change in color
Different taste or smell (never taste or smell anything in a chemical lab, cause if u do bad reactions may occur to your body, unless directed to do so.)
New substance is formed (a precipitate)
<span>Temperature (exothermic or endothermic reactions) ( exothermic RELEASES heat energy) (endothermic ABSORBS energy)</span>
You might be interested in
During the first 40 s a truck traveled at a constant speed of 15 m/s. Find the
kotykmax [81]

Answer:

600 m

Explanation:

Distance = speed × time

= (15)(40)

= <u>6</u><u>0</u><u>0</u><u> </u><u>m</u>

6 0
3 years ago
If we had a wave period of 0.0003 seconds what what would be its frequency?
yawa3891 [41]

Answer:

3,333.33 /sec

Explanation:

frequency = 1/period

= 1/0.0003 = 3,333.33 /sec

4 0
3 years ago
What do nebulae have the most in common with?
alexdok [17]
Most commonly the answer is A, the sun. A nebula is a nursery for stars. The Sun itself was created in a nebula. Also,you do not need college physics to understand this question


3 0
4 years ago
Compared to that of a plane on the ground, is Earth’s gravitational pull on a plane 7 miles above Earth approximately the same?
solniwko [45]
Yes. It's approximately the same, but not exactly.

The weight of an object 7 miles above the Earth's surface (the gravitational force on it) is about 0.35% less than it is down on the surface.
8 0
3 years ago
Read 2 more answers
4. Interference is an example of which aspect of electromagnetic radiation?
Lisa [10]

Answer:

D is the answer wave behavior

6 0
3 years ago
Read 2 more answers
Other questions:
  • Name some elements that have a symbol that is entirely different from the spelling of the world
    15·1 answer
  • What does an electromagnet do?
    12·1 answer
  • What I the Wannnsjsusbevdyx
    5·2 answers
  • A cannon of mass 5.71 x 103 kg is rigidly bolted to the earth so it can recoil only by a negligible amount. The cannon fires a 7
    15·1 answer
  • Two point-charges Q1 and Q2 are 2.5 m apart, and their total charge is 19μC. If the force of repulsion between them is 0.07 N,
    10·1 answer
  • When we press ball inside water it tries to come upwards, why​
    15·1 answer
  • How to reduce fluid friction
    7·1 answer
  • CAN SOMEONE PLEASE TELL ME WHAT THIS WHEEL IS CALLED.WILL GIVE BRAINLIEST
    9·2 answers
  • People tint windows dark to encourage _______.
    10·3 answers
  • A source charge generates an electric field of 4286 N/C at a distance of 2. 5 m. What is the magnitude of the source charge? (Us
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!