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ipn [44]
2 years ago
14

This investigation is a controlled experiment, so you can change only one variable at a time. Which reactant do you think Koby s

hould change, the baking soda or the vinegar? Give a reason for your choice.
Chemistry
1 answer:
WINSTONCH [101]2 years ago
6 0

Answer:

The baking soda

Explanation:

This is the more reactive part of the experiment. The more baking soda there is (compared to the vinegar), the stronger the reaction.

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How are elements similar to those in the same group on the periodic table ​
enot [183]

Answer:

All the members of a group of elements have the same number of valence electrons and similar chemical properties.

Explanation:

The vertical columns on the periodic table are called groups or families because of their similar chemical behavior.

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3 years ago
I NEED HELP PLEASE, THANKS!
Liono4ka [1.6K]
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3 years ago
Which of these outdoor activities would you most likely participate in during the winter?
Elza [17]

Answer:

D.

Explanation:

Translation:

A. make a barbecue

B. organize a picnic

C. swimming in the pool

D. to go skiing

Barbecue is usually a summer activity, so we eliminate that.

It would be too cold for a picnic!

It would be too cold to go swimming, and that's more of a summer thing!

Skiing is a snow activity, and since it is winter, it is likely to know.

4 0
3 years ago
SOS TESTING:
andrezito [222]

Answer:

Condensation

Explanation:

An exothermic process is one in which heat is lost. Condensation is a change of state from gas to liquid. Thus is loses heat.

HOPE THIS HELPED

4 0
3 years ago
How are the four kinds of DNA nucleotides different from each other?
Firlakuza [10]

Answer:

The sugar in DNA is deoxyribose. ... Nucleotides in DNA contain four different nitrogenous bases: Thymine, Cytosine, Adenine, or Guanine. There are two groups of bases: Pyrimidines: Cytosine and Thymine each have a single six-member ring.

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3 years ago
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