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3 years ago

Use each of the following terms

1 answer:

3 0

Answer:The states of matter are the physical forms of matter, which include solid, liquid and gas. The Change of Matter is the change of a substance from one physical state another.

Explanation: Hope it helps guys :)

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What is the pressure of 2.20 mol of a gas stored in a 4.5 L container at a temperature of 170 K? (Use PV=nRT and R = 8.314 L∙kPa

algol13

Answer:

I don't know how can i do

Explanation:

please give me hint

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2 years ago

Write any two effect of gravity

natita [175]

The Earth's gravitational force accelerates objects when they fall. It constantly pulls, and the objects constantly speed up.

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2 years ago

List of things that you’ll use in the scientific method

MrRissso [65]

Explanation:

Make an observation

ask a question

form a hyposisese

make a prediction

test the prediction

use the results to fix the prediction and hypotheses

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3 years ago

How many atoms are there in 7.80 moles of germanium

Orlov [11]

<h3>Answer:</h3>

4.70 × 10²⁴ atoms Ge

<h3>General Formulas and Concepts:</h3>

<u>Math</u>

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

<u>Chemistry</u>

<u>Atomic Structure</u>

Using Dimensional Analysis
Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.

<h3>Explanation:</h3>

<u>Step 1: Define</u>

7.80 mol Ge

<u>Step 2: Identify Conversions</u>

Avogadro's Number

<u>Step 3: Convert</u>

$\displaystyle 7.80 \ mol \ Ge(\frac{6.022 \cdot 10^{23} \ atoms \ Ge}{1 \ mol \ Ge} )$ = 4.69716 × 10²⁴ atoms Ge

<u>Step 4: Check</u>

<em>We are given 3 sig figs. Follow sig fig rules and round.</em>

4.69716 × 10²⁴ atoms Ge ≈ 4.70 × 10²⁴ atoms Ge

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2 years ago

Which states of matter only appear in the hydrosphere

Oliga [24]

I would say the answer is liquids

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3 years ago