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katrin [286]
2 years ago
7

Spooky, scary skeletons

Chemistry
2 answers:
konstantin123 [22]2 years ago
8 0

Answer:

I LOVE THIS OMG

ira [324]2 years ago
6 0

Answer:

I am so afraid now.........

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Why would you not expect to find fossils in metamorphic and igneous rocks?
Marina CMI [18]

Answer:

igneous rocks are made from molten,and therefore rarely have fossils in them.Metamorphic rocks are squished,put under pressure,and get heated to the extreme,so it's very rare for fossils to survive in these conditions.

8 0
3 years ago
A student has a mixture of salt (NaCl) and sugar (C12H22O11). To determine the percentage, the student measures out 5.84 grams o
julsineya [31]

Answer:

The volume of 1.0 AgNO₃ that would be required to precipitate 5.84 grams of NaCl is 99.93 ml

Explanation:

Here we have the reaction of AgNO₃ and NaCl as follows;

AgNO₃(aq) + NaCl(aq)→ AgCl(s) + NaNO₃(aq)

Therefore, one mole of silver nitrate, AgNO₃, reacts with one mole of sodium chloride, NaCl, to produce one mole of silver choride, AgCl, and one mole of sodium nitrate, NaNO₃,

Therefore, since 5.84 grams of NaCl which is 58.44 g/mol, contains

Number \, of \, moles, n  = \frac{Mass}{Molar \ mass} =  \frac{5.84}{58.44} = 0.09993 \ moles \ of \ NaCl

0.09993 moles of NaCl will react with 0.09993 moles of AgNO₃

Also, as 1.0 M solution of AgNO₃ contains 1 mole per 1 liter or 1000 mL, therefore, the volume of AgNO₃ that will contain 0.09993 moles is given as follows;

0.09993 × 1 Liter/mole= 0.09993 L = 99.93 mL

Therefore, the volume of 1.0 AgNO₃ that would be required to precipitate 5.84 grams of NaCl is 99.93 ml.

3 0
3 years ago
What is the density of a plastic ball that has a volume of 6cm) and a mass of 12g?<br> 50 cm3
marissa [1.9K]

Answer:

2 g/cm³

Explanation:

4 0
2 years ago
Use the information below, to write a word equation, then change it into a balanced symbol equation.
Kamila [148]

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Mg    +  2HCl  -> MgCl2   + H2

Explanation:

7 0
3 years ago
What is the molar mass of fluorine gas, F2?
Paladinen [302]

Answer:

37.99681 g/mol

Explanation:

Hope it helps!

6 0
3 years ago
Read 2 more answers
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