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m_a_m_a [10]
3 years ago
9

If an acid is splashed on your skin, wash at once with

Chemistry
1 answer:
olga55 [171]3 years ago
6 0
D. plenty of water

First, the affected area is washed with plenty of water for 15-20 minutes. Then washed with a weak solution of sodium bicarbonate.

H⁺ + HCO₃⁻ → H₂O + CO₂
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Which source of energy causes most of the water evaporation on Earth’s surface? wind solar gravity electrical
Papessa [141]
Since the sun is the main source of evaporation on earth's surface, then the answer should be Solar since solar refers to the sun. It's usually not visible though because it mostly occurs over oceans where it is not seen from the shores.
6 0
3 years ago
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If a reaction occurs when a piece of metal is placed in a solution, what can you conclude about the solution?
USPshnik [31]
Hello!

If a reaction occurs when a piece of metal is placed in a solution, you can conclude that the solution is <span>probably acidic because bases rarely react with metals.

Strong Acids, like HCl, react with metals to produce salts and release gaseous hydrogen (H</span>₂) which is evidenced by the generation of bubbles in the solution. The general chemical equation for this kind of reactions for a metal M and an acid HA is:

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4 0
3 years ago
In the periodic table hydrogen is placed in Group 1A (group 1) and helium is placed in Group 8A (group 18). The most likely reas
Alexus [3.1K]

Answer:

This question appears incomplete

Explanation:

This question appears incomplete because of the absence of options. However, hydrogen is placed in group 1 because it has just one electron in it's outermost shell (which happens to be the only shell it has) just like every other group 1A/group 1 element. While helium is placed in group 8A/group 18 because it has a completely filled outermost shell (which is also the only shell it has) just like every other element in group 8A/group 18.

8 0
3 years ago
Which of the following statements is inaccurate?
algol [13]
The inaccurate statement is C. Oxidation and reduction don't necessarily happen together, and oxidation doesn't happen first.
4 0
3 years ago
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What is the empirical formula for<br> P2S3 ?
tatiyna

Answer : The empirical formula is P_2S_3.

Explanation :

Molecular formula : It is represented by the actual number of the atoms of all the elements present in a compound.

Empirical formula : It is represented by the simplest whole number of the atoms of all the elements present in a compound.

The given molecular formula is P_2S_3.

For determining the empirical formula, we need to determine the valency which is divided by each element to get the empirical formula.

In the given formula, the valence is 1.

So, the empirical formula is P_2S_3.

4 0
3 years ago
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