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Stels [109]
2 years ago
5

1. Calculate the mass (in grams) of 3.8 moles of the following:

Chemistry
1 answer:
muminat2 years ago
4 0

Explanation:

Given;

  Number of moles of the elements = 3.8moles

Molar mass of Gold  = 196.966g/mol

Molar mass of Magnesium  = 24.3g/mol

Molar mass of Tin  = 118.710g/mol

Molar mass of Bromine  = 79.904g/mol

   Mass  = number of moles x molar mass

Mass of Gold = 3.8 x 196.966  = 748.5g

 Mass of Magnesium  = 3.8 x 24.3  = 92.3g

Mass of Tin  = 3.8 x 118.710  = 451.1g

Mass of Bromine  = 3.8 x 79.904  = 303.6g

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One peanut M&M weighs approximately 2.33 g.
Sphinxa [80]

Answer:

There are 23076 peanut M&M's in 53.768 kg of M&M's.

Explanation:

First we <u>convert 53.768 kg into g</u>:

  • 53.768 kg * 1000 = 53768 g

Then we <u>divide the total mass of M&M's by the mass of one peanut M&M,</u> in order to calculate the answer:

  • 53768 g / 2.33 g = 23076

So there are 23076 peanut M&M's in 53.768 kg of M&M's.

3 0
2 years ago
3. Did pushing (compression), pulling (tension), or sideways forces (shear) in the rock layers produce the folds and faults?
Neko [114]

Pushing(Compression) Causes the faults and folds


3 0
3 years ago
If you were to conduct an experiment to answer the question, "Does the volume of a caffeinated drink affect your reaction time?”
Ann [662]

Answer:

A Type of Drink

Explanation:

A controlled variable remains constant throughout the experiment.

In such experiment, you'd test the volume of one single caffeinated drink. You'd have to use the same type of drink every trial.

4 0
2 years ago
Provided is a diagram showing forces on a box.
Eduardwww [97]

Answer:

5 N left

Explanation:

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4 0
2 years ago
According to the VSEPR model, the arrangement of electron pairs around NH3 and CH4 is A. the same, because in each case there ar
aleksklad [387]

Answer:

Option "B" is correct.

Explanation:

According to VSEPR theory, There are repulsion forces exists among the bond pair - bond pair or bond pair - lone pair of electrons. In NH_{3} and  CH_{4}, the number of electron pairs are same but methane has all the four bond pairs where in ammonia, three bond pairs and one lone pair exists. And thus there are repulsion forces possible in between the lone pair and bond pair of electrons thus the arrangement of electron pairs around both the molecules is same or different depending up on the conditions leading to maximum repulsion.  

3 0
3 years ago
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