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ryzh [129]
3 years ago
15

Kinsey eats a banana and then goes to basketball practice. She runs down the court and passes the ball. She is changing ________

_ energy into _________ energy.
Question 8 options:

A)

chemical, electric


B)

chemical, mechanical


C)

electric, heat


D)

mechanical, kinetic
Chemistry
1 answer:
WITCHER [35]3 years ago
3 0

Answer:The Answer is D

Explanation:

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lord [1]

Answer: A

Explanation:

8 0
3 years ago
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Based on the activity series of metal, which reaction with water will not happen?
laila [671]

Answer:

B

Explanation:

B, H2O + Na The elements toward the bottom left corner of the periodic table are the metals that are the most active in the sense of being the most reactive. Lithium, sodium, and potassium all react with water,

5 0
3 years ago
What is the hybridization of carbon in nco-?
Svet_ta [14]

First let us see what kind of bonds are formed in the compound. By drawing the structure, we see that the kind of bonds are:

N =- triple bond -= C – O

<span>So there is only single bond between C and O therefore the hybridization of C is sp.</span>

4 0
3 years ago
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When 250 ml of water is added to 35 ml of 0.2 M HCl
Paladinen [302]
Assuming that you’re looking for the concentration of water in the solution, then it would be 0.028 M.

You would have to use the formula:
c1v1 = c2v2, where c =concentration and
v = volume

C1 = ?
V1 = 250 mL
C2 = 0.2 M
V2 = 35 mL

C1 x 250 mL = 0.2 M x 35 mL

C1 = (0.2 M x 35 mL) / 250 mL

C1 = 0.028 M of water added to 35mL of 0.2M HCl

Therefore, there is 0.028 M of water added to 35mL of 0.2M HCl
8 0
3 years ago
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When ethyl acetoacetate (ch3coch2co2ch2ch3) is treated with one equivalent of ch3mgbr, a gas is evolved from the reaction mixtur
pashok25 [27]
The protons of methylene group between the two carbonyl groups in ethylacetoacetate are acidic in nature. When compounds containing such acidic protons are treated with bases the loose proton and form enolates.

In this particular example when ethylacetoacetate is reacted with methyl magnesium bromide, the methyl group abstracts the acidic proton and converts into methane gas. The enolate when hydrolyzed is again converted into ethylacetoacetate as shown below,

6 0
3 years ago
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