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Mkey [24]
3 years ago
11

Can a) H2 b) O) c) He d) Ar e) CO2 be used to lift a balloon?

Chemistry
1 answer:
faltersainse [42]3 years ago
5 0

Answer:

I am thinking h2 is answer

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Which of these statements is correct? a. Particles in a suspension will settle out if left undisturbed. b. A solution is heterog
tatuchka [14]

Blood. It is discrete cells in saline solutuion. The cells are free to move thru the plasma, or you wouldn't have blood flow, or oxygenation, and you would die. Blood is defined as liquid, not jello.


The other three are things not normally associated--water will fall from the sky as rain, for example, but is held in suspension in fog. Same with the salad oil in mayo. O.J. can be a suspension; easily separated by a filter, Or a colloid--depends if the pulp, if Any, is held in suspension or not. Usually, pulp will settle to the bottom, making that sample of Orange juice a suspension. At different temperatures, it acts differently. But, so does Fog. A colloid is something that normally shouldn't be as some of its molecules are too dense to normally "float" in suspension. Colloid means "glue".



4 0
3 years ago
Which neutral element does the orbital diagram represent?
valentinak56 [21]

Answer:

Silicon

Explanation:

The total of electrons: 2 + 2 + 6 + 2 + 2

In neutral state: #electrons = #protons = 14

so element with atomic number of 14 is silicon

3 0
1 year ago
Solubility is the-
san4es73 [151]

Solubility is the ability of a solid, liquid, or gaseous chemical to dissolve in solvent (usually a liquid) and form a solution.

So therefore your answer is 1.
7 0
3 years ago
A nurse swabs your skin with rubbing alcohol, and you feel a cold spot created at that spot. what explains this cooling effect?
faust18 [17]
The cooling effect meaning that your skin releases alcohol molecules with the appropriate heat for it to evaporate.  The alcohol is cold on your skin for the reason that when it comes in contact, the temperature of the body makes it change from fluid to gas, which pulls warm from the encompassing condition, including the skin. The aftereffect of this response is a chilly feeling.
4 0
2 years ago
Which digestive system organ has the main function of absorbing water from digested material?
RUDIKE [14]

Answer:

Small Instestine

Explanation:

4 0
3 years ago
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