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Anestetic [448]
3 years ago
5

What type of substance is dirt?!

Chemistry
2 answers:
Vika [28.1K]3 years ago
7 0

Answer:

Soil is composed of small pieces of a variety of materials, so it is a heterogeneous mixture.

Explanation:

stealth61 [152]3 years ago
4 0

Answer:

A substance containing only one type of atom or one type of molecule is a pure substance. Most of the matter around us, however, consists of mixtures of pure substances. Air, wood, rocks and dirt are examples of such mixtures. Mixtures can be further classified as Homogeneous and Heterogeneous.

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Balance the following equation<br><br><br><br> WILL GIVE BRAINLIEST!!!!
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1CH4 + 2O2 ----------- 1CO2 + 2H2O
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4 years ago
Erwin Schrödinger developed the quantum model of the atom. What scientific knowledge was necessary for Schrödinger’s work?
madam [21]

<span>The scientific knowledge that was necessary for Schrodinger’s work is the Bohr’s model. Unlike the Bohr model, the quantum model does not define the exact path of an electron. The electron is likely to be in a less dense area of cloud.</span>

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4 years ago
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Taya2010 [7]
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6 0
3 years ago
Please help ITS A T E S T!!
Sliva [168]

Answer:

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3 0
3 years ago
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A sample compound contains 9.11 g Ni and 5.89g F. What is the empirical formula of this compound?
Alexxx [7]

The empirical formula of the compound is C. NiF₂.

<em>Step 1</em>. Calculate the <em>moles of each element</em>

The empirical formula is the simplest whole-number ratio of atoms in a compound.

The ratio of atoms is the same as the ratio of moles.

So, our job is to calculate the molar ratio of Ni to F.

Moles of Ni = 9.11 g Ni × (1 mol Ni /(58.69 g Ni) = 0.1552 mol Ni

Moles of F = 5.89 g F × (1 mol F/19.00 g F) = 0.3100 mol F

<em>Step 2</em>. Calculate the <em>molar ratio</em> of the elements

Divide each number by the smallest number of moles

Ni:F = 0.1552:0.3100 = 1:1.997 ≈ 1:2

<em>Step 3</em>: Write the <em>empirical formula</em>

EF = NiF₂

8 0
4 years ago
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