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skad [1K]
2 years ago
13

Which of the following is used to show sound waves?

Chemistry
1 answer:
Ipatiy [6.2K]2 years ago
3 0
I think it’s c bc it makes more sense
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Question 5
Stolb23 [73]

Answer:

There are 17.64% students received B+ grades.

Explanation:

It is given that,

Total number of students in chemistry class is 17

We need to find the percentage received by B+.

Number of students having B+ grades are 3 (from graph)

Required percentage = P=\dfrac{3}{17}\times 100=17.64\%

So, there are 17.64% students received B+ grades.

8 0
3 years ago
What term is used to describe alkaline hydrolysis of fats and oils​
Gnesinka [82]

Answer:

Saponification

Explanation:

When treated with a base such as NaOH, the ester is transformed back to alcohol and the sodium salt of carboxylic acid. Saponification is the name <u>given</u> to the reaction since it is utilized in the production of soap.

8 0
2 years ago
Carbon burns with oxygen to produce carbon dioxide gas. Which of these shows the correct chemical reaction? CO2 = C + O C + O =
kiruha [24]

Answer:

C(s) + O2(g) 》CO2 (g)

Explanation:

to check CO2 is release mix the gas with quick lime you see colour is change

4 0
3 years ago
Read 2 more answers
Definition of emulsifier​
pentagon [3]
A substance that stabilizes an emulsion, in particular a food additive used to stabilize processed foods.
3 0
2 years ago
Read 2 more answers
What type of bond will form between the following pairs of atoms?
Gwar [14]

Answer:

the answer is ionic

Such a bond forms when the valence (outermost) electrons of one atom are transferred permanently to another atom. ... The atom that loses the electrons becomes a positively charged ion (cation), while the one that gains them becomes a negatively charged ion (anion). A brief treatment of ionic bonds follows

7 0
2 years ago
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