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podryga [215]
3 years ago
10

I need an answer asap thank you all for your answers! xoxo, anastasia

Chemistry
1 answer:
ICE Princess25 [194]3 years ago
5 0
The answer is b because it could happen to you

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An atom of potassium has 19 protons and 19 electrons. If the atom loses 1 electron, what will
Pani-rosa [81]

。☆✼★ ━━━━━━━━━━━━━━  ☾  

If it loses 1 electron, it will now have 1 more proton than electrons.

Thus, the charge would be 1+

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3 years ago
A sports utility vehicle gets an average gas mileage of 17.5 miles per gallon. A hybrid version of this SUV averages 21.5 mpg. I
ZanzabumX [31]

Answer:

<h2>The answer is $6.52.</h2>

Explanation:

Firstly, let's check out the given:

1. Sports Utility Vehicle's (Original SUV) avg gas mileage - 17.5 miles per gallon (mpg)

2. SUV's (Hybrid SUV) avg gas mileage - 21.5 miles per gallon (mpg)

3. Gas price - $2.59 per gallon

What is asked? How much would you save driving 237 miles in the hybrid SUV compared to the original SUV?

Next, you have to know how much gallons each car consumes upon driving 237 miles. You can do division in this step.

1. Original SUV = 237 miles ÷ \frac{17.5 miles}{gallon} = 13.54 gallons

2. Hybrid SUV = 237 miles ÷ \frac{21 miles}{gallon} = 11.02 gallons

Now that you know how much gallons each car consumes, you can now get the gas price for the gallons.

1. Original SUV = 13.54 gallons × $2.59 per gallon = $35.06

2. Hybrid SUV = 11.02 gallons × $2.59 per gallon = $28.54

In order to check the difference, you have to subtract.

  • $35.06 - $28.54 = $6.52 (this is the amount of money that you can save driving 237 miles in the hybrid SUV compared with the original SUV)

5 0
3 years ago
What happens when the soil does not have any earthworms
stira [4]

Explanation:

When a soil lacks earthworm, it will be poorly aerated and organic matter will be lacking.

Earthworms burrow through the soil and leaves holes and pores around in the soil.

  • Soil air is an important component that makes up the soil.
  • Earthworm are good burrowers that penetrates the soil and creates pores.
  • This facilitate infiltration of water into the soil and also the circulation of air.
  • Also, since they are decomposers, they the leave the soil rich and filled with organic matter.

learn more:

Soil formation brainly.com/question/2473178

#learnwithBrainly

5 0
3 years ago
Which general trends in first ionization energy and electronegativity values are demonstrated by group 15 elements as they are c
MaRussiya [10]

Answer: (1) The first ionization energy decreases and the electronegativity decreases

Explanation:

When we move from top to bottom in a periodic table the atomic size of elements increases and it becomes easy to remove valence electron from the elements at low energy.Thus decrease in ionisation energy from top to bottom.

Metallic character increases as we move down into a group of a periodic table and metals have low electronegativity than non-metals. So, value of electronegativity decreases from top to bottom.

3 0
3 years ago
Outlined below are statements describing the general procedure followed during purification of a solid by recrystallization proc
d1i1m1o1n [39]
I think The answer is A
4 0
3 years ago
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