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SVETLANKA909090 [29]
3 years ago
7

Why is oiling done time and again in a sewing machine???????​

Chemistry
1 answer:
8_murik_8 [283]3 years ago
8 0
If you are looking for a simpler maintenance timeline, oil your machine once after every fifty hours of use, or at the same time you can clean out the lint that may have built up in the machine various books and crannies.
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Practice: How many protons, neutrons and electrons are in the following?
Nata [24]

Answer:

The answer to your question is below

Explanation:

When we have the number of an element followed by a number, that number is the atomic mass.

Atomic mass is the number of protons plus neutrons.

                              Protons                    Neutrons

Carbon-13                  6                            13 - 6 = 7

Chromium-51            24                          51- 24 = 27

Strontium-88             38                           88 - 38 = 50

Boron-10                     5                            10 - 5 = 5

6 0
3 years ago
Read 2 more answers
Pls help tyy <br><br> How are NH 3 and O 2 reactants?<br><br> Explain your answer:
White raven [17]

Answer:

Here you go.

Explanation:

First of all, there are reactants and products…

Reactants are in the left side (in bold).

Products are on the right (without bold)

Example; NH3 + O2 → N2 + H2O

8 0
3 years ago
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Effects to the nutrient cycle if the water cycle, oxygen cycle and carbon cycle are affected
melomori [17]
Answer: Cycling of carbon in the
ocean is also expected As water moves through and across soils, it carries
valuable nutrients.
5 0
1 year ago
Which shows an isomer of the molecule below?
kobusy [5.1K]

Answer:

B

Explanation:

3 0
2 years ago
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Which of the following explains the importance of the activation energy acting as a barrier for reactants? A:It prevents most re
natita [175]
A: It prevents most reactions from occurring spontaneously.

The answer above is correct.
7 0
3 years ago
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