4 years ago

How many ribs does grandfathers skeleton have

1 answer:

4 0

Same as a normal human would have. 24 ribs or 12 pairs of ribs in each side. There is no discrepancy in the number of ribs whether the human is old or young; male or female (contrary to the unpopular belief that a male has an extra pair of ribs).

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1. Given below are the figures showing particles of a matter in its three

stepan [7]

Answer:the answer is c

Explanation:

6 0

3 years ago

When hydrated copper(II) sulfate crystals are heated, anhydrous copper(II) sulfate forms. A mass of 12.5 g of hydrated copper(II

pychu [463]

The formula of hydrated copper(II) sulfate is CuSO4.10H2O

<h3>What is the formula of the hydrated copper (ii) sulfate salt?</h3>

The formula of the hydrated copper (ii) sulfate is determined as follows:

Mass of hydrated salt = 12.5 g

Mass of anhydrous salt = 8.0 g

Mass of water = 12.5 - 8 = 4.5 g

mole ratio of water and anhydrous salt is;

4.5/18 : 8.0/159.5

0.562 : 0.05

10 : 1

Water of crystallization (n) = 10.

Therefore, the formula of hydrated copper(II) sulfate is CuSO4.10H2O

Learn more about water of crystallization at: brainly.com/question/26146814

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7 0

2 years ago

I need help with this!!!

scZoUnD [109]

11- Form of energy that can be reflected or emitted from objects through electrical or magnetic waves.

12-Energy that is caused by moving electric charges.

13-Energy stored in the bonds of chemical compounds.

I only know those. Sorry hoped I helped a little! :)

5 0

4 years ago

I’m screwed omg i totally forgot I have school today and forgot to do this someone help me rq I’ll brainlist plslsls be awake ju

zlopas [31]

Answer:

Zn + O2 = ZnO

Mg + O2 = MgO

Cu + O2 = CuO

Al + O2 = Al2O3

Explanation:

7 0

3 years ago

What type of minerals are these??

skelet666 [1.2K]

Answer:

talc mineral and magnetite

Explanation:

6 0

3 years ago

Read 2 more answers