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2 years ago

Which of the following characteristics must be present for a substance to be called a mineral?

2 answers:

6 0

Question options: a. have a crystal structure b. has an unpredictable chemical structure c. can be liquid or solid d. can be organic or inorganic .

Answer:

options (a) and (c) applies

Explanation:

Minerals usually have a definite crystalline structure, however this is not always the case, as some naturally occurring minerals are not crystal like.

the chemical structure of minerals are predictable.

Minerals can only exist as solids. if any substance is in its liquid form then its not a mineral.

finally minerals can either be inorganic or organic.Inorganic minerals do not contain carbon, while organic minerals are made up of carbon

MArishka [77]2 years ago

4 0

Minerals are solid, naturally occurring, inorganic compounds that possess an orderly internal structure and a regular chemical composition. Minerals should occur naturally. Hope this answers the question. Have a nice day. Feel free to ask more questions.

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Ome fire extinguishers contain liquid carbon dioxide Suggest how carbon dioxide

melisa1 [442]

Answer:

The CO2 Extinguisher Cannisters contain carbon dioxide in liquid form, and when the extinguisher is let off the liquid is released into the air neutralising the oxygen that the fire is feeding on, disabling the fires ability to spread.

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3 years ago

A student obtains a mixture of the chlorides of two unknown metals, X and Z. The percent by mass of X and the percent by mass of

Aleksandr-060686 [28]

Answer: The additional information that is helpful in calculating the mole percent of XCl(s) and ZCl(s) is the molar masses of Z and X

Explanation:

To calculate the mole percent of a substance, we use the equation:

$\text{Mole percent of a substance}=\frac{\text{Moles of a substance}}{\text{Total moles}}\times 100$

Mass percent means that the mass of a substance is present in 100 grams of mixture

To calculate the number of moles, we use the equation:

$\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}$

We require the molar masses of Z and X to calculate the mole percent of Z and X respectively

Hence, the additional information that is helpful in calculating the mole percent of XCl(s) and ZCl(s) is the molar masses of Z and X

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3 years ago

on a trip to italy, Cheyne rented a car to tour the country. As he turned onto the highway, he noticed that the speed limit was

rjkz [21]

The answer is 59mph.

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2 years ago

Read 2 more answers

The atom shown below is?

Volgvan

Answer:

Explanation:

Not likely to form any bonds because in it's last she'll it has 8 electrons and is therefore stable

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2 years ago

Task Card #1

kumpel [21]

Answer:

B. Gas formation

Explanation:

When you combine baking soda and vinegar - which I'm assuming happened to create this reaction - it forms carbon dioxide, a gas.

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2 years ago