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Flauer [41]
4 years ago
7

Two solid samples each contain sulfur, oxygen, and sodium only. These samples have the same color, melting point, density and re

action with an aqueous barium chloride solution. It can be concluded that the two samples are the same _________.
a mixture
b element
c compound
d solution
Chemistry
1 answer:
vfiekz [6]4 years ago
7 0

Answer:

Explanation: sorry if my answer is wrong

solution

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What does Newton’s first law of motion state?
Troyanec [42]

Answer:

Newton's first law states that every object will remain at rest or in uniform motion in a straight line unless compelled to change its state by the action of an external force. This is normally taken as the definition of inertia. ... If that velocity is zero, then the object remains at rest.

Explanation:

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3 years ago
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Which of the isomeric alcohols having the molecular formula c5h12o are chiral which are achiral?
Masteriza [31]

Answer:

Chiral:

3-Methyl-2-butanol

Achiral:

1-Pentanol

3-Pentanol

3-Methyl-1-butanol

Explanation:

Only the molecule that bears a carbon atom surrounded by 4 different groups can be said to be Chiral, the other molecules don't satisfy this property.

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3 years ago
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The student collects the H2 (g) produced by the reaction and measures the volume
BARSIC [14]

The question is incomplete, the complete question is;

The student collects the H2(g) produced by the reaction and measures its volume over water at 298 K after carefully equalizing the water levels inside and outside the gas-collection tube, as shown in the diagram below. The volume is measured to be 45.6mL . The atmospheric pressure in the lab is measured as 765 torr , and the equilibrium vapor pressure of water at 298 K is 24 torr .(i) The pressure inside the tube due to the H2(g)

Answer:

741 torr

Explanation:

From the question we can see that the atmospheric pressure in the lab is 765 torr.

The vapour pressure of water = 24 torr

From Dalton's law of partial pressure, we know that;

Total pressure = Pressure of the H2 + Partial pressure of water vapour

Therefore;

Pressure of H2 = Total pressure - Partial pressure of water vapour

Pressure of H2 = 765 torr - 24 torr = 741 torr

7 0
3 years ago
What happens immediately after you dissolve acid in water​
emmainna [20.7K]

Explanation:

Weak bases, just like weak acids, dissociate slowly when dissolved with water. An Arrhenius acid is any substance that ionizes when it dissolves in water to give the H+, or hydrogen, ion. An Arrhenius base is any substance that gives the OH-, or hydroxide, ion when it dissolves in water

welp hope it helped (Q.Q)

4 0
3 years ago
What is the name of this hydrocarbon?
vovikov84 [41]
A) 2,3-dimethylpentane
6 0
4 years ago
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