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dexar [7]
2 years ago
8

How should students prepare to use chemicals in the lab?.

Chemistry
1 answer:
Serggg [28]2 years ago
6 0

Answer:

Become familiar with the chemicals to be used, including exposure or spill hazards.

Locate the spill kits and understand how they are used.

Explanation:

Hope this helped! :)

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How is carbon dioxide collected in laboratory​
olga2289 [7]

Answer:

Carbon dioxide is produced whenever an acid reacts with a carbonate. This makes carbon dioxide easy to make in the laboratory.

5 0
3 years ago
At which of the four labeled points on the titration curve below do you expect to find the highest concentration of hydroxide
Lostsunrise [7]

Answer:

D.

Explanation:

Hydroxide ions are produced when acid reacts with a base under a Ph value of more than 7. Hydroxide ions are negatively charged ions which are released in the aqueous solution during titration process. It a oxygen and hydrogen atom covalent bond.

8 0
3 years ago
Addition of 6 m hcl to which substance will not result in gas evolution?
saul85 [17]

There is no gaseous product when NaNO3 reacts with 6M HCl.

We must note that gas evolution is one of the signs that a chemical reaction has taken place. Hence, we must consider the options and look out for an option in which reaction with HCl does not lead to a gaseous product. This is the option that does not lead to evolution of a gas.

Let us consider the reaction; NaNO3(s) + HCl(aq) ---> NaCl(s) + HNO3(aq), there is no gaseous product hence NaNO3 does not result in gas evolution upon addition of 6M HCl.

Missing parts;

Addition of 6 M HCl to which substance will NOT result in gas evolution?

(A) Al

(B) Zn

(C) K2CO3

(D) NaNO3

Learn more about evolution of gas: brainly.com/question/2186340

6 0
3 years ago
Can someone help me to figure out them please
Ronch [10]
2)NCl3
4)N2O3
5)NH3
6)B2H2
7)K3P
8)OF2
9)Mg(NO3)2
10)Al2(CO3)3
5 0
3 years ago
Write the acid-base reaction between the weak acid hydrofluoric acid, hf and the strong base sodium hydroxide naoh.
MissTica

HF + NaOH = NaF + H2O

Aqueous sodium fluoride (NaF) and water are the products of the reaction between hydrofluoric acid (HF), a weak acid and sodium hydroxide (NaOH), a strong base.

It is a straightforward acid-base reaction, despite the fact that hydrogen fluoride is a weak acid that doesn't completely dissociate in water (the equilibrium between the dissociated & undissociated acid will however be pushed to the right as the reaction progresses and all of the acid will eventually be neutralized). Water and sodium fluoride are the products

What exactly is an acid-base reaction?

An acid-base reaction is a chemical reaction that occurs between the reactants, which are an acid and a base. This reaction produces salt and water as byproducts. An acid-base reaction is a double replacement reaction in which ions swap positions.

Find more on acid-base reaction at : brainly.com/question/11771426

#SPJ4

5 0
2 years ago
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