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EastWind [94]
3 years ago
14

Look at Beaker B below. It shows a cell with 10% salt in a beaker filled with 2% salt. Which direction will water flow in?

Chemistry
1 answer:
Nonamiya [84]3 years ago
8 0

Answer:

Water will flow from beaker to cell

Explanation:

Hopefully this helps!!! :)))

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Joe is lifting boxes to load a trailer. To follow proper lifting procedures, Joe should:
masha68 [24]
<span>oe is lifting boxes to load a trailer. To follow proper lifting procedures, Joe should:</span>
3 0
4 years ago
A conclusion in science states whether or not a hypothesis is correct<br> or not?
Fantom [35]

Answer:it do not states

Explanation:

3 0
4 years ago
identify the postulate of Dalton's theory that is violated by the following observations: 59.95% of one sample of titanium dioxi
Inga [223]

<u>Answer:</u> This violates the law of constant composition.

<u>Explanation:</u>

Dalton's theory is based on mainly two laws, which are law of conservation of mass and law of constant composition.

Law of constant composition states that a compound always contain the elements in the fixed ratio by their masses.

For Example: In water (H_2O), the hydrogen and oxygen are present in the fixed ratio of 1 : 9 by their mass.

We are given:

A sample of titanium dioxide having 59.95 % of titanium and another sample of titanium dioxide having 60.10 % of titanium.

As, the compound is titanium dioxide. So, the mass percent of titanium must remain the same in both the elements.

Hence, this violates the law of constant composition.

8 0
4 years ago
A teacher wants to perform demonstration that illustrates both chemical and physical changes. Which would be the best demonstrat
saveliy_v [14]

Answer:

D) burning a candle

A demonstration that contains both physical and chemical changes will be BURNING OF A CANDLE.

<em>This is because when a candle is lighted up, on the top of it (where we see flame) the oxygen and other gases present around will be chemically changed (burned up)</em>

<em>When the wax in the top of the candle will get melted due to the heat of the fire a physical change takes places.</em>

4 0
4 years ago
Add oxidation numbers to the following reaction: 2 H3PO4 (aq) + 2 Cr(s) → 2 CrPO4 (aq) + 3 H2(g). Identify the atom that is oxid
rewona [7]

The atom that is oxidized : Cr

The oxidizing agent : H₃PO₄

<h3>Further explanation</h3>

Reaction

2 H₃PO₄ (aq) + 2Cr(s) → 2 CrPO₄ (aq) + 3H₂(g)

Atoms undergoing a reduction reaction (decrease in oxidation number) and an oxidation reaction (increase in oxidation number)

  • Reduction (+1 to 0)

H⁺(in H₃PO₄) =+1

H₂=0

  • Oxidation (0 to +3)

Cr = 0

Cr³⁺(in CrPO₄ )

the oxidizing agent.⇒which undergoes a reduction reaction and oxidizes another compound/element : H₃PO₄

3 0
3 years ago
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