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3 years ago

What are the characteristics of a virtual image? Check all that apply.

Chemistry

2 answers:

tia_tia [17]3 years ago

6 0

<h3>Answer:</h3>

Can only be seen while looking through a lens
May appear larger than the object
Appears to come from behind the lens

<h3>Explanation:</h3>

To answer this question we need to ask ourselves;

What is a virtual image?

A virtual image is an image that can not be formed on a screen.
It is formed by rays that appear to converge at a point.

What are the characteristics of a virtual image?

A virtual image can only be seen while looking through lenses
The image appear to come from behind the lens
It may be larger than the object
It can not be projected onto a screen.
It is always upright

pentagon [3]3 years ago

6 0

Answer:

. Can only be seen while looking through a lens

. May appear larger than the object

. Appears to come from behind the lens

Explanation:

I've got it correct on e2020

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What are neutral substances?

Valentin [98]

Answer:

Neutral substance is the one that neither exhibits acidic properties nor basic. Such a type of substance has equal no. of hydrogen and hydroxyl ions. Due to the neutrality state these substances do not show changes in the indicators.

8 0

3 years ago

How many moles are there in 990 grams of sugar, C12H22011? (Sig Figs, do not

Nitella [24]

Answer:

Number of moles = 2.89 mol

Explanation:

Given data:

Number of moles of sugar = ?

Mass of sugar = 990 g

Solution:

Formula:

Number of moles = mass/molar mass

Molar mass of C₁₂H₂₂O₁₁:

12× 12 + 22×1.008 + 16×11 = 342.2 g/mol

Number of moles = 990 g / 342.2 g/mol

Number of moles = 2.89 mol

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3 years ago

4. Chemical formula, mg (Cl0₃)2

grin007 [14]

Answer:

0.017mole

0.0033M

Explanation:

Given parameters:

Formula of the compound:

Mg(ClO₃)₂

Mass of the sample = 3.24g

Unknown:

Number of moles of the sample = ?

Molarity = ?

Solution:

The number of moles of any substance is given as:

Number of moles = $\frac{mass}{volume}$

Molar mass of Mg(ClO₃)₂ = 24 + 2[35.5 + 3(16)] = 191g/mol

Number of moles = $\frac{3.24}{191}$ = 0.017mole

Molarity is the number of moles of a solute in a solution:

Molarity = $\frac{number of moles }{volume}$

Volume given = 5.08L

Molarity = $\frac{0.017}{5.08}$ = 0.0033M

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3 years ago

What best describes the degree to which a material can transmit Heat A:melting point B:boiling point C: thermal conductivity D:

Oduvanchick [21]

Your answer is going to be C

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3 years ago

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K2SO4 (aq) + NaOH (aq)

murzikaleks [220]

Answer:

K₂SO₄(aq) + 2NaOH(aq) → Na₂SO₄(aq) + 2KOH(aq)

Explanation:

The type of reaction is Double Displacement (Metathesis)

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3 years ago