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3 years ago

Which of the following is a cause of a dna mutation

Chemistry

1 answer:

lisov135 [29]3 years ago

5 0

Answer:

Can you please tell us what the following are?

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Simplify 8k-5(-5k+3)

antiseptic1488 [7]

Alright well is u just want the Answer then

33k - 15 Hope this helps :)

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3 years ago

Which is most affected by a tropical warm air mass?

emmainna [20.7K]

The answer is B) Miami, Florida.

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3 years ago

Read 2 more answers

How many atoms are in 57.5 liters of xenon gas at STP

TiliK225 [7]

Answer:

1.55 × 10²⁴ atoms Xe

General Formulas and Concepts:

Atomic Structure

Reading a Periodic Table
Moles
STP (Standard Conditions for Temperature and Pressure) = 22.4 L per mole at 1 atm, 273 K
Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.

Stoichiometry

Using Dimensional Analysis

Explanation:

Step 1: Define

[Given] 57.5 L Xe at STP

[Solve] atoms Xe

Step 2: Identify Conversions

[STP] 22.4 L = 1 mol

Avogadro's Number

Step 3: Convert

[DA] Set up: $\displaystyle 57.5 \ L \ Xe(\frac{1 \ mol \ Xe}{22.4 \ L \ Xe})(\frac{6.022 \cdot 10^{23} \ atoms \ Xe}{1 \ mol \ Xe})$
[DA] Divide/Multiply [Cancel out units]: $\displaystyle 1.54583 \cdot 10^{24} \ atoms \ Xe$

Step 4: Check

Follow sig fig rules and round. We are given 3 sig figs.

1.54583 × 10²⁴ atoms Xe ≈ 1.55 × 10²⁴ atoms Xe

4 0

3 years ago

Which elements in the periodic table are metalloids or have semimetallic properties?

inessss [21]

B, As only are metalloids or have semimetallic properties.

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3 years ago

What is a device that changes electrical energy into mechanical energy?

umka2103 [35]

A generator converts mechanical energy into electrical energy, while a motor does the opposite - it converts electrical energy into mechanical energy.

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3 years ago