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zepelin [54]
3 years ago
5

Carbon in the atmosphere is most often found as which of the following compounds? A. stratospheric ozone B. fossil fuel C. carbo

n monoxide D. carbon dioxide 4 3​
Chemistry
1 answer:
ad-work [718]3 years ago
6 0
Please help me answer your questions about how I feel you have a good time to carbon dinosaurs in the past and
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There is water on the pan of the scale as you measure the mass of an object. If you were to ignore the water, what would be the
mihalych1998 [28]
Remember that density refers to the "mass per unit volume" of an object.

So, if an object had a mass of 100 grams and a volume of 100 milliliters, the density would be 100 grams / 100 ml.

In the question, water on the surface of the scale would add weight, so the mass of the object that you're weighing would appear to be heavier than it really is. If that happens, you'll incorrectly assume that the density is GREATER than it really is

As an example, suppose that there was 5 ml of water on the surface of the scale. Water has a density of 1 gram per milliliter (1 g/ml) so the water would add 5 grams to the object's weight. If we use the example above, the mass of the object would seem to be 105 grams, rather than 100 grams. So, you would calculate:

density = mass / volume
density = 105 grams / 100 ml
density = 1.05 g/ml

The effect on density would be that it would erroneously appear to be greater

Hope this helps!

Good luck
6 0
3 years ago
Element whose atoms have completed their outer energy level are the ____​
umka21 [38]

Answer:

Noble gases

Explanation:

nobles gases have their outer energy level complete

5 0
2 years ago
Which is unique to the tire of the car
kvasek [131]

it is c trench marks

7 0
3 years ago
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An atom has 20 protons, 26 neutrons, and 20 electrons. what could be the atomic mass of this atom?
Elanso [62]
46 is the answer. because if you add 26 and 20 that is the mass
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3 years ago
A compound is formed by the reaction between magnesium and bromine. What is the chemical formula for this compound?
saul85 [17]

Answer:

Magnesium Bromide

Explanation:

MgBr₂

3 0
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