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3 years ago

Solve question 4a least reactive to most reactive

Chemistry

1 answer:

denis23 [38]3 years ago

7 0

Nickel (II) oxide, iron (III) oxide, chromium (III) oxide, magnesium oxide

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1.5 atm is the same pressure as... (1 atm<br> 760 mmHg)

Darina [25.2K]

<h3>Answer:</h3>

1100 mmHg

<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> </u>

<u>Chemistry</u>

Pressure

<u>Stoichiometry</u>

Using Dimensional Analysis

<h3>Explanation:</h3>

<u>Step 1: Define</u>

[Given] 1.5 atm

[Solve] mmHg

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

1 atm = 760 mmHg

<u>Step 3: Convert</u>

[DA] Set up: $\displaystyle 1.5 \ atm(\frac{760 \ mmHg}{1 \ atm})$
[DA] Multiply/Divide [Cancel out units]: $\displaystyle 1140 \ mmHg$

<u>Step 4: Check</u>

<em>Follow sig fig rules and round. We are given 2 sig figs.</em>

1140 mmHg ≈ 1100 mmHg

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Plant Cell

musickatia [10]

Answer:

it's the chloroplast but I'm not sure which on is it it might be the F.

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3. Which of the following sentences apply to neutrons? a. have a negative charge. b. circle around the atom nucleus. c. are the

DerKrebs [107]

Answer:

d.have a mass of 1 amu..

Explanation:

Does not match a as the answer for a is electrons B.electron circle around the nucleus because neutrons are inside the nucleus.C.proton and neutrons make the nucleus so the only answer left is .d .which is correct

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3. 9
20. 60 (1hour)
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A is true
B is true
C is true
D is true
E is false

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