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3 years ago

Metal produce basic of oxide with oxygen true of false

Chemistry

1 answer:

wlad13 [49]3 years ago

5 0

Answer:

True

Explanation:

True. Metals produces oxides with oxygen

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A hydrate of cobalt (III) oxide has the following formula: Co2O3 - x H2O. The water in a 3.41-g sample of the hydrate was driven

OleMash [197]

Answer: the value of X is 1

Co2O3.XH2O = Co2O3.H20

Explanation:Please see attachment for explanation

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3 years ago

How many grams of molybdenum(Mo) are in 2.68E24 atoms of Mo?

loris [4]

<h3>Answer:</h3>

427 g Mo

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

<u>Chemistry</u>

<u>Atomic Structure</u>

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

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

<h3>Explanation:</h3>

<u>Step 1: Define</u>

2.68E24 atoms Mo or 2.68 × 10²⁴ atoms Mo

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

Avogadro's Number

Molar Mass of Mo - 95.94 g/mol

<u>Step 3: Convert</u>

<u /> $2.68 \cdot 10^{24} \ atoms \ Mo(\frac{1 \ mol \ Mo}{6.022 \cdot 10^{23} \ atoms \ Mo} )(\frac{95.94 \ g \ Mo}{1 \ mol \ Mo} )$ = 426.966 g Mo

<u>Step 4: Check</u>

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

426.966 g Mo ≈ 427 g Mo

3 0

3 years ago

What is the empirical formula of CoH1803? (4 points)

butalik [34]

Answer:

-O CH30

Explanation:

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3 years ago

What organism is responsible for the cycling of nitrogen?

ICE Princess25 [194]

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3 years ago

If the rate of melting and the rate of freezing were the same, we could say there is a dynamic equilibrium of the system, TRUE O

Jet001 [13]

The answer should be TRUE because a dynamic equilibrium is a state of balance between continuing processes. Hope this helps (:

7 0

3 years ago

Read 2 more answers

Metal produce basic of oxide with oxygen true of false​

Metal produce basic of oxide with oxygen true of false