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2 years ago

What is the basic unit of mass in the metric system?

Chemistry

2 answers:

Ilya [14]2 years ago

7 0

The basic unit of mass in the metric system is grams

Svetach [21]2 years ago

4 0

Answer:

wow this is still open since 2016?

anyways it's grams

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Water that has condensed and formed water droplets on the ground, grass, and other outdoor objects is known as _____.

Amanda [17]

The correct answer is B. Water that has condensed and formed water droplets on the ground, grass, and other outdoor objects is known as dew. It is water formed due to condensation in early morning or evening. It is formed when the temperature of the objects reach below the dew point of the air around.

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3 years ago

Read 2 more answers

If 3.89 × 1024 atoms of a noble gas is collected and it has a mass of of 848 grams, this element is most likely a. He b. Ne c. A

bearhunter [10]

Answer:

Xenon

Explanation:

Avogadro’s number represent the number of the constituent particles which are present in one mole of the substance. It is named after scientist Amedeo Avogadro and is denoted by $N_0$ .

Avogadro constant:-

$N_a=6.023\times 10^{23}$

Let the molar mass of the element is x g/mol

So,

$6.023\times 10^{23}$ atoms have a mass of x g

Also,

$3.89\times 10^{24}$ atoms have a mass of $\frac{x}{6.023\times 10^{23}}\times 3.89\times 10^{24}$ g

This mass is equal to 848 g

So,

$\frac{x}{6.023\times 10^{23}}\times 3.89\times 10^{24}=848$

x= 131.3 g/mol

This mass correspond to xenon.

3 0

3 years ago

is this information about magnesium true symbol..mg number..12 atomic mass..24.305 number of protons 12.... PLZ HELP :)

maxonik [38]

Yes, that is all correct!

The atomic number is the same as the number of protons (12).
Magnesium = Mg
Atomic mass is 24. 305.

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2 years ago

A gas mixture contains ar and H2. What is the total pressure of the mixture, if the mole fraction of h2 is 0.350 atm and the pre

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1 year ago

Draw the structures of the aldol addition and condensation products of 3‑methylbutanal

Leona [35]

Aldol condensation involves two aldehydes or two ketones or an aldehyde and a ketone. The product of the reaction is shown in the image attached.

<h3>What is Aldol condensation?</h3>

Aldol condensation is a reaction that involves two aldehydes or two ketones or an aldehyde and a ketone. This reaction occurs at the carbonyl group as one of the carbonyl compounds is in the enolate form.

The product of the reaction is shown in the image attached. This gives the mechanism for the Aldol condensation of the compound 3‑methylbutanal.

Learn more about aldol condensation: brainly.com/question/9415260

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1 year ago