3 years ago

What happens when gasoline is used to power a vehicle?

1 answer:

5 0

Well cars need gas to run on if the car does not have gas it wont run and you cant get to places you need to go only if you have gas.

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Question 3 (5 points)

Daniel [21]

Answer:

332.918g O2

Explanation:

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3 years ago

A student dilutes 50.0 mL of a 0.10 mol/L to 0.010 mol/L. Which statement is true?

VLD [36.1K]

The total amount of solute decreases.

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3 years ago

The lower the ph of a solution, the ______.

gtnhenbr [62]

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How many moles are present in 54.8 mL of mercury if the density of mercury is 13.6 g/mL?

lesya692 [45]

Answer:

3.72 mol Hg

General Formulas and Concepts:

Chemistry - Atomic Structure

Reading a Periodic Table
Using Dimensional Analysis
Density = Mass over Volume

Explanation:

Step 1: Define

D = 13.6 g/mL

54.8 mL Hg

Step 2: Identify Conversions

Molar Mass of Hg - 200.59 g/mol

Step 3: Find

13.6 g/mL = x g / 54.8 mL

x = 745.28 g Hg

Step 4: Convert

$745.28 \ g \ Hg(\frac{1 \ mol \ Hg}{200.59 \ g \ Hg} )$ = 3.71544 mol Hg

Step 5: Check

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

3.71544 mol Hg ≈ 3.72 mol Hg

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Fiesta28 [93]

A thick liquid could be one property or its white.....

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3 years ago