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lord [1]
2 years ago
12

The moon does not have its own _______

Chemistry
1 answer:
True [87]2 years ago
8 0
The correct answer is light...
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Which is not a type of mass movement
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options?

Explanation:

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2 years ago
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Which conditions must be met for two triangles to be similar
lbvjy [14]
The included angle, i.e. If two pairs of sides of two triangles are in proportion, and the included angles are equal, then the triangles are similar.
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2 years ago
Calculate the molecular weight of chalk.write any two advantages of mandeleev's periodic table?
Debora [2.8K]
Part (a):
Chalk has the chemical formula: CaCo₃
From the periodic table:
mass of Ca = 40 grams
mass of Co = 58.9 grams
Therefore:
molecular weight of chalk = 40 + 3(58.9) = 216.7 grams

Part (b):
Advantages of M<span>andeleev's periodic table:
1- Could predict the properties of elements easily based on its position in the periodic table
2- Elements were arranged systematically in order of increasing atomic mass which helped in the study and classification of elements
3- Even after the discovery of noble gases, no major changes needed to be done to the periodic table. Noble gases were inserted easily
4- He left room for other undiscovered elements based on his systematic approach in writing the table

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5 0
3 years ago
Which property describes a mixture? select three options. it can be separated by physical methods. it has a single chemical comp
Semmy [17]

The property of mixture which describes a mixture are it can be separated by physical methods, it can appear different from different sources and it cannot be described by a chemical symbol or formula.

<h3>What are mixtures?</h3>

Mixtures are the compounds which are formed by the addition or combination of one or two elements or compounds.

As in the mixtures many states of matters are present and it will be filtered by using various physical methods, and it is not chemically shown by single chemical symbol or formula. Mixtures are also of two types:

  • Homogeneous mixtures are those in which equal compositions all over the volume is present.
  • Heterogeneous mixtures are those in which different composition all over the volume is present.

Hence options (1), (3) and (4) are correct.

To know more about mixtures, visit the below link:

brainly.com/question/24647756

5 0
1 year ago
What is the function of an Erlenmeyer flask?
JulijaS [17]
An Erlenmeyer flask is laboratory flask that has a conical shape and flat bottom with a tapered mouth. The Erlenmeyer flask is used for pouring, mixing and storing of chemicals in the laboratory. It was created by Emil Erlenmeyer in the 1860s.
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2 years ago
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