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3 years ago

PLS HELP ME WILL GIVE BRAIN THINGYYYYY

Chemistry

1 answer:

alexandr1967 [171]3 years ago

6 0

Answer:

C, when the ball lands it will have the least amount potential energy.

Explanation:

here is a picture that should help you.

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Murrr4er [49]

Answer:

Look at the properties of Oxygen and Silicon - the two most abundant elements in the Earth's crust - by clicking on their symbols on the Periodic Table.

Explanation:

7 0

3 years ago

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How many moles of solve (Ag) are equivalent to 68.3g Ag

Zina [86]

Moles Ag = 68.3 g / 107.868 g/mol=0.633

5 0

4 years ago

Which is an example of an energy transformation?

Bond [772]

Answer:

D. A boulder falling off a tall cliff

Explanation:

The boulders potential energy transforms to kinetic energy as the boulder falls.

8 0

3 years ago

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Concentrated hydrochloric acid<br> dilute sulfuric acid chemical equation?

ankoles [38]

H2SO4 (1) H20 (g) + SO3 (g)

5 0

3 years ago

Use the following equation to answer question 1-4. Make sure you balance first.

worty [1.4K]

<h3>Answer:</h3>

5.2 mol H₂O

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

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

<u>Chemistry</u>

<u>Stoichiometry</u>

Using Dimensional Analysis

<h3>Explanation:</h3>

<u>Step 1: Define</u>

[RxN - Balanced] 6HCl + Fe₂O₃ → 2FeCl₃ + 3H₂O

[Given] 10.4 mol HCl

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

[RxN] 6 mol HCl = 3 mol H₂O

<u>Step 3: Stoichiometry</u>

Set up: $\displaystyle 10.4 \ mol \ HCl(\frac{3 \ mol \ H_2O}{6 \ mol \ HCl})$
Multiply/Divide: $\displaystyle 5.2 \ mol \ H_2O$

4 0

3 years ago