3 years ago

What do many employers require of respiratory technician? Check all that apply.

Chemistry

1 answer:

meriva3 years ago

6 0

Answer:

1 & 4

Explanation:

just got it right on edge

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Imagine that you helped to discover a new element; A=302;Z=119. How many protons, electrons, and neutrons are in each atom it th

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Explanation:

Given that,

Mass number, A = 302

Atomic number, Z = 119

We know that, atomic number = no of protons

Protons = 119

Mass no. = No. of neutrons + No. of protons

302 = No. of neutrons + 119

No. of neutrons = 302 - 119

= 183

No. of electrons = No. of protons

= 119

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3 years ago

What type of energy does a cup sitting on a table have? Why?

Sedbober [7]

Answer:

POTENTIAL ENERGY

A cup sitting on a table possesses potential energy

Explanation:

Answer Expert Verified

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3 years ago

Question 2 (1 point)

gregori [183]

Answer:

John Dalton

Explanation:

Both John Dalton and Democritus thought that the atom was an indivisible sphere until J.J. Thompson came out with the plum pudding model. Hope I helped!

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3 years ago

The following two compounds each exhibit two heteroatoms (one nitrogen atom and one oxygen atom). In compound A, the lone pair o

Galina-37 [17]

Answer:

The answer is the photo attached

Explanation:

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3 years ago

The theoretical yield of ammonia in an industrial synthesis was 550 kg, but only 480 kg was obtained. What was the percentage yi

Klio2033 [76]

We know that when calculating percent yield, we use the equation:

$Percent yield=\frac{Actual yield (A)}{Theoretical yield (T)}$

Since the quantities that we are given in the question are equal, we can just directly divide them to find percent yield:

$Percentyield=\frac{480kg}{550kg} =0.8727*100=87.27$

So now we know that the percent yield of the synthesis is 87.27%.

7 0

3 years ago