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Olegator [25]
4 years ago
12

A squirrel weighs 3,750 grams, how much does the squirrel weigh in hectograms?

Chemistry
1 answer:
tensa zangetsu [6.8K]4 years ago
8 0

8.26719571958

use 8.2

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Convert 7.9 x 10^22 atoms of Ca to grams
Vika [28.1K]

Answer:

Mass = 5.24 g

Explanation:

Given data:

Number of atoms of Ca = 7.9×10²² atoms

Mass of Ca = ?

Solution:

First of all we will calculate the number of moles by using Avogadro number.

1 mole contain 6.022×10²³ atoms

7.9×10²² atoms × 1 mol /6.022×10²³ atoms

1.31 ×10⁻¹ mol

0.131 mol

Mass of Ca:

Mass = number of moles × molar mass

Mass = 0.131 mol × 40 g/mol

Mass = 5.24 g

6 0
3 years ago
Which of the following elements have the highest percentage in terms of frequency in the Earth's crust and human body, respectiv
Likurg_2 [28]

Answer:

Oxygen is the most abundant element in the Earth's crust.

Explaination: It makes up 46% of the mass of the Earths crust.

3 0
3 years ago
Read 2 more answers
Which of the following correctly describes globalization? (1 point)
Musya8 [376]

According to the context, globalization is the process of integration among individuals, businesses and governments.

<h3>What is globalization?</h3>

It is a historical process of global integration in the economic, political, technological, social and cultural spheres.

It is characterized by a progressive integration and interaction between countries, people and institutions with the expansion of capitalism and democracy, and with values such as multiculturalism and diversity.

Therefore, we can conclude that according to the context, globalization is the process of integration among individuals, businesses and governments.

Learn more about globalization here: brainly.com/question/16953231

#SPJ1

7 0
2 years ago
What is the measure if how much space an object takes up? A. Mass B. Density C. Weight D. Volume
givi [52]

Answer:

volume

Explanation:

8 0
3 years ago
Read 2 more answers
If 4.55 mol of calcium carbide (CaC2) reacts with an excess of water, how many moles of acetylene (C2H2), a gas used in welding,
Rina8888 [55]

Answer:

4.55 mol of C₂H₂

Explanation:

Let's verify the reaction:

CaC₂   +    2H₂O   →   C₂H₂   +  Ca(OH)₂

Ratio is 1:1, so 1 mol of calcium carbide will produce 1 mol of acetylene.

4.55 mol of CaC₂ will make the same amount of C₂H₂

3 0
4 years ago
Read 2 more answers
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