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VLD [36.1K]
3 years ago
14

A chemical equation that shows the same number of each kind of atom on both sides of the equation is said to be

Chemistry
1 answer:
GREYUIT [131]3 years ago
7 0
Balanced. The answer is Balanced
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Select the correct answer.
Karo-lina-s [1.5K]

Answer: OB

Explanation:

The empirical formula of an element is the simplest formula of an element which shows the ratios of atoms of the each element present in a molecule of a compound .

4 0
3 years ago
Which of these is an example of a physical change?
igomit [66]
Liquid water turning into vapor.
4 0
3 years ago
Read 2 more answers
1. Graph a wave with an
kiruha [24]

Answer:

y = 5cos(\frac{2\pi }{6} x)

Explanation:

You can put that equation into a program like desmos on your browser and take a screenshot or use windows snippet tool.

Equation of a Wave: y = Acos(((2*pi)/B)x)

or

y = Acos(\frac{2\pi }{B} x)

A = Amplitude

B= Wavelength

5 0
3 years ago
Lanthanum-138 has a half-life of 105 billion years. after 525 billion years, how much of a 240 g sample of this radioisotope wil
Reika [66]

The amount of the 240 g sample of the radioisotope that will remain after 525 billion years is 7.5 g

<h3>How to the number of half-lives that has elapsed</h3>
  • Half-life (t½) = 105 billion years
  • Time (t) = 525 billion years
  • Number of half-lives (n) = ?

n = t / t½

n = 525 / 105

n = 5

<h3>How to determine the amount remaining</h3>
  • Original amount (N₀) = 240 g
  • Number of half-lives (n) = 5
  • Amount remaining (N) = ?

N = N₀ / 2ⁿ

N = 240 / 2⁵

N = 240 / 32

N = 7.5 g

Learn more about half life:

brainly.com/question/26374513

#SPJ4

5 0
2 years ago
Helppp meee plzzz plzzzz<br> Helppp
Rus_ich [418]

Answer:F =MAX

Explanation:I did that

7 0
3 years ago
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