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posledela
3 years ago
12

How many moles of helium atoms are there in 2. 4 x 1024 helium atoms?.

SAT
1 answer:
Blizzard [7]3 years ago
4 0

Answer:

n = (2.4 x 10^24 atoms) x ((1 mol)/(6.02 x 10^23 atoms)) = 4.0 mol

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Describe the importance of adding sodium bicarbonate to the carbon treatments in this exercise.
AURORKA [14]

The addition of sodium bicarbonate to carbon treatments is fundamental because this substance has buffer properties.

<h3>What is a buffer?</h3>

In chemistry, a buffer is any substance that may act both as an acid or base in a given solution.

Sodium bicarbonate is a fundamental buffer in biological systems because it may prevent different types of homeostatic imbalances (e.g., acidosis).

In conclusion, the addition of sodium bicarbonate to carbon treatments is fundamental because this substance has buffer properties.

Learn more about buffers here:

brainly.com/question/1385846

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5 0
2 years ago
The purpose of a chart or graph is to
makkiz [27]

Answer:

data set

Explanation:

it supposed make it easier

8 0
3 years ago
Read 2 more answers
in a local fitness club 32% of the members lifted weights, 41% preferred aerobics and 6%preferred both.if a member is chosen at
castortr0y [4]
<span>Members lifted weights: W=32%
</span><span>Members preferred aerobics: A=41%
</span>Members preferred both: B=6%
Members lifted weights only: Wo=W-B=32%-6%→Wo=26%
Members preferred aerobics only: Ao=A-B=41%-6%→Ao=35%
F<span>ind the probability that the member prefers another method neither weights nor aerobics to exercise: N=?

N=100%-Wo-Ao-B
N=100%-26%-35%-6%
N=100%-67%
N=33%

Answer: T</span>he probability that the member prefers another method neither weights nor aerobics to exercise is 33%
3 0
3 years ago
One tool that might help a student decide on a major is A. a career assessment OB. the ACT C. the SAT O D. the NCAA test​
777dan777 [17]

Answer:

A career assessment.

Explanation: A career assessment is a great way to find out what you wish to do with your life while the other choices provided are knowledge tests.

3 0
3 years ago
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Which of the following are true about the Medicare Access and CHIP Reauthorization Act of 2015 (MACRA) Plans and the impact to P
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The true statement about the Medicare Access and CHIP Reauthorization Act of 2015 (MACRA) Plans and the impact to Plans C and F are:

  1. "Consumers eligible for Medicare Part A on or after January 1, 2020,will not be able to purchase Medicare Supplement Insurance Plans C or F."
  2. "Consumers eligible for Medicare Part A before January 1 2020 can enroll in Plan C or F even after 2020 and can keep their plans as long as they choose."

<h3>What is MACRA?</h3>

MACRA is an abbreviation for Medicare Access and CHIP Reauthorization Act of 2015 and it can be defined as a bipartisan United States statute (legislation) that was signed into law on the 16th of April, 2015, so as to change how the federal government pay physicians in the United States of America.

Based on the Medicare Access and CHIP Reauthorization Act of 2015 (MACRA) Plans, the impact to Plans C and F include the following:

  1. "Consumers eligible for Medicare Part A on or after January 1, 2020,will not be able to purchase Medicare Supplement Insurance Plans C or F."
  2. "Consumers eligible for Medicare Part A before January 1 2020 can enroll in Plan C or F even after 2020 and can keep their plans as long as they choose."

Read more on MACRA here: brainly.com/question/28045174

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2 years ago
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