Chemistry High School

How long are hard boiled eggs good for after peeled?.

Answers

Answer 1

Answer:

about 1 week

Explanation:

if you want to eat it after that smell it

Related Questions

what is the difference between biology and anatomy?

Answers

Answer:

Biology is the study of nature, like plants and animals, while anatomy is the study of the human body, like our bones and muscles.

Explanation:

Hope it helped!

2. Calculate the percentage yield for the production of ammonia if 23g of NH, was made from 56g of nitrogen and 12g of hydrogen. Give your answer to 2 decimal places. N₂ + 3H₂ → 2NH3

Answers

Answer:

the science behind this is 45

Explanation:

you times it by 4N²

divide it by ⁶Mn

1) Find the mass of 2.7 moles of NaCl.

Answers

Answer:

157. 788 grams

Explanation:

number of moles = mass/molar mass.

hence the mass = molar mass × number of moles

m = 58.44 × 2.7 = 157.788 grams

The term mole concept is used here to determine the mass of sodium chloride. The mass of 2.7 moles of NaCl is 157.78 g.

What is a mole?

One mole of a substance is defined as that quantity of it which contains as many entities as there are atoms exactly in 12 g of carbon - 12. The formula used to calculate the number of moles is:

Number of moles = Given mass / Molar mass

The mole concept is a convenient method to express the amount of a substance. The elementary particles in moles may be atoms, ions, molecules etc.

The molar mass of NaCl = 58.44 g/mol

Here the number of moles of NaCl = 2.7

Mass = Molar mass × Number of moles

58.44 g/mol × 2.7 = 157.78 g

Thus the mass of NaCl is 157.78 g.

To know more about mole concept, visit;

https://brainly.com/question/30307377

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Kepler-186f
a. Identify the element that makes up the initial composition of the star.

b. Explain the process of fusion between these atoms that occurs in all stars

Answers

A) hydrogen

B)Two hydrogen atoms fuse together which forms a helium atom.

Hope this helps!

Which Barium Salt is insoluble in water?
a) Calcium Bromide b) Potassium Bromide
c) Silver bromide d) Sodium bromide

Answers

Answer:

Explanation:

2. How do you make a solution of lower concentration, using a stock solution of higher concentration.

Answers

Add water or add another neutral substance to balance out the amount of acids and alkali

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