2 years ago

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Chemistry

2 answers:

Crank2 years ago

4 0

Answer:

HAHAHA SINUNGALING 62% OR 52% Pa yan.

never [62]2 years ago

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Go charge ur phone!!

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You want to know how many moles of gas your lungs can hold. You start off with a balloon that has 1.4 moles of gas and occupies

Mrrafil [7]

Number of moles : n₂ = 1.775 moles

<h3>Further explanation</h3>

Given

Moles = n₁ = 1.4

Volume = V₁=22.4 L

V₂=28.4 L

Required

Moles-n₂

Solution

Avogadro's hypothesis, at the same temperature and pressure, the ratio of gas volume will be equal to the ratio of gas moles

The ratio of gas volume will be equal to the ratio of gas moles

$\tt \dfrac{V_1}{V_2}=\dfrac{n_1}{n_2}$

Input the values :

n₂ = (V₂ x n₁)/V₁

n₂ = (28.4 x 1.4)/22.4

n₂ = 1.775 moles

4 0

3 years ago

What is the density of an 84.7 g sample of an unknown substance if the sample occupies 49.6cm cubed

Ahat [919]

Answer:

1.70 g.cm⁻³

Solution:

Data Given;

Mass = 84.7 g

Volume = 49.6 cm³

Density = ?

Formula Used;

Density = Mass ÷ Volume

Putting values,

Density = 84.7 g ÷ 49.6 cm³

Density = 1.70 g.cm⁻³

7 0

3 years ago

How many valence electrons does chlorine have?

Advocard [28]

Valence Electrons has $\boxed{7}$ chlorine

3 0

3 years ago

Read 2 more answers

Felix adds salt to the boiling water, what will he have in the pot?

Pani-rosa [81]

A mixture called a solution, I think.

8 0

3 years ago

In which list are the elements arranged in order of increasing atomic mass?(1) Cl, K, Ar (3) Te, I, Xe(2) Fe, Co, Ni (4) Ne, F,

galina1969 [7]

Answer: 1

1.Cl K Ar is in order

2.Fe Co Ni isn't in order

3.Te I Xe isn't in order

4.Ne F Na isn't in order

4 0

3 years ago

My phone is just 2 percent ba bye I need to go​

My phone is just 2 percent ba bye I need to go