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Kisachek [45]
3 years ago
6

List three signs that could make you think that a chemical reaction was taking place.

Physics
1 answer:
algol133 years ago
5 0
1. Release of gases
2. Bubbling 
3. And change in color- this one can also be for a physical change.

Hope this helps.
 
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Whose definition of acids and bases emphasizes the role of protons
torisob [31]

Answer:

Bronsted Lowry

Explanation:

Acid is defined as a proton donor.

While base is a proton acceptor

What is an acid An acid

An acid is a substance that donates protons or accepts a pair of valence electrons to form a bond

What is a base?

A base is a substance that can accept protons or donate a pair of valence electrons to form a bond. Bases can be thought of as the chemical opposite of acids.

3 0
3 years ago
Temperature is perhaps the most important factor in the distribution of organisms because
Maurinko [17]

Answer:

True

Explanations

Temperature is the degree of coldness or hotness of a body, usually organism rarely adapt to extreme temperature value of below 0°C or above 43°C,organisms usually respond to cold weather by hibernation or estivation for hot weather also extreme temperature causes migration of birds if they can't survive such place like the artic tern that travel thousands of miles,

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3 years ago
Roberto makes a graphic organizer to compare fusion nuclear reactions and fission nuclear reactions. A venn diagram with 2 inter
Schach [20]

Answer:

The second one

Explanation:

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9 0
3 years ago
Read 2 more answers
A person drives a car around a circular road with a constant speed of 20 m/s. The
ale4655 [162]

Answer:

16 m/s^2

Explanation:

acceleration tangential = (v^2)/r

a=400/25

a=16 m/s^2

Side note: next time, be more specific when asking about acceleration in circular motion. There's more than one type! Example:

angular acceleration=acceleration tangential/r

angular acc.=16/25

angular acc.=0.64 rad/s^2

5 0
3 years ago
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This graph shows velocity vs. time. What does the slope of the line represent? A. speed B. force C. acceleration D. distance
PilotLPTM [1.2K]
I believe the answer is C. Acceleration. (:
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