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Olegator [25]
3 years ago
12

URGENT!! I will have brainliest!!!

Chemistry
1 answer:
Vlad [161]3 years ago
3 0

Answer:

sorry idk

Explanation:

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What is an atom? how can we predict it?
sattari [20]

An atom is the what makes up elements. It is made up of positive particles (protons), negative particles (electrons), and neutrons (no charged particles).

Protons and neutrons are in the center of the atom while electrons hover around.

You cannot predict an atom. This is because it is not anything to guess about -if you know what I mean.

Happy to help!

5 0
3 years ago
What were the criteria of Nils Bohlin’s solution to safer seatbelts?
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What that person said
3 0
3 years ago
A student noticed that the size of the hot pack becomes bigger when magnesium sulfate reacts with water. She thinks that more at
cestrela7 [59]

Answer:

Disagree with the suggestion based on the hygroscopic nature of anhydrous magnesium sulfate

Explanation:

Magnesium sulfate in the anhydrous form is a drying agent. A drying agent salts of inorganic compounds that has the capability of absorbing water to become hydrated, when placed in the presence of a wet surface or moist air

Anhydrous magnesium sulfate is therefore hygroscopic such that it absorbs water from the atmosphere and becomes hydrated and increases in size as its volume is increased according to the following chemical equation

MgSO₄(s) + 7H₂O(l) → MgSO₄·7H₂O(s)

The molar mass of anhydrous magnesium sulfate = 120.366 g/mol

The molar mass of the heptahydrate = 246.47 g/mol

Therefore, the mass of the magnesium sulfate doubles when it forms the heptahydrate, and the magnesium sulfate grows bigger.

4 0
3 years ago
Which of the following has the same empirical and molecular formula?
White raven [17]

Answer:

O C4H8

Explanation:

5 0
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Find the mass of a 60 ML volume of water if the density of water is 1 g/mL
valkas [14]

Answer:  60 grams

Explanation:  (60 ml)*(1g/ml) = 60g

3 0
3 years ago
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