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vova2212 [387]
3 years ago
9

Which is a defining trait of a mineral?

Chemistry
1 answer:
Orlov [11]3 years ago
8 0
Traits  which are used to identify and describe mineral species.
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Which is a higher concentration, 10-9 M or 10-8 M? Explain.
andreyandreev [35.5K]

Answer:

10-9 Millimeters/liters

Explanation:

Because 10-9 M Is more than 10-8 M

I hope this is correct

3 0
3 years ago
1. Express in conventional notation (no exponents) in the space provided within the
mina [271]

Answer:

a) 320: two significant figures.

b) 2,366: four significant figures.

c) 73.0: three significant figures.

d. 532.5: four significant figures.

Explanation:

Hello there!

In this case, according to the given information, it turns out possible for us to write each number by knowing we move the decimal places to the right as much as the exponent is, and also, we count every figure, even zeros, because they are to the right of the first nonzero digit:

a) 320: two significant figures because the rightmost zero is not preceded o followed by a decimal place.

b) 2,366: four significant figures.

c) 73.0: three significant figures, because the zero is followed by the decimal place.

d. 532.5: four significant figures.

Regards!

7 0
3 years ago
1. The most basic units of any element are its
baherus [9]

Answer:

The atom

Explanation:

5 0
3 years ago
4. On the island of Hawaii, Keanu notices that the sand on the beach is black, the same color as the
Colt1911 [192]

Answer:

The ricks were degraded over time by wind and water and were crushed down into tiny, smaller rocks, which is sand.

Explanation:

This is my first answer sorry im not that smart

3 0
3 years ago
For 2Na (s) + Cl2(g) - 2NaCI (s) ,how many grams of sodium Chloride will be made from 115 g of sodium metal when reacted with ex
Solnce55 [7]

<u>Given:</u>

Mass of Na = 115 g

Excess Cl2

<u>To determine:</u>

Mass of NaCl produced

<u>Explanation:</u>

Given reaction is-

2Na(s) + Cl2(g) → 2NaCl(s)

Since Cl2 is in excess, Na will be the limiting reagent

As per the reaction stoichiometry Na:NaCl = 1:1

i.e. moles of Na reacted = moles of NaCl formed

Now, # moles of Na = mass of Na/atomic mass

                                  = 115 g/23 g.mol-1 = 5 moles

Therefore, moles of NaCl = 5

Molar mass of NaCl = 58 g/mol

Mass of NaCl = 5 moles * 58 g.mol-1 = 290 g

Ans: Amount of Nacl produced = 290 g

5 0
3 years ago
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