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saw5 [17]
3 years ago
14

What is the molecular formula of a compound with an empirical formula of CH and a molecular mass of 78 amu?

Chemistry
1 answer:
Sergeu [11.5K]3 years ago
5 0

Answer:

Answer is 1

Explanation:

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True or false? In graphite, every atom forms strong bonds with four other atoms.
vagabundo [1.1K]

Answer: true

Explanation:

7 0
3 years ago
Is a small whole number that appears in front of a formula in a chemical equation?
Bezzdna [24]
No. It appears behind the equation
4 0
3 years ago
Which type of landforms forms at the plate boundary as a result of this stress<br>​
stealth61 [152]

Answer:

Landform: MID-OCEAN RIDGE Plate Boundary: DIVERGENT Type of Plates: 2 Oceanic Plates (OP) pull apart How is it formed? Two oceanic plates (OP) move away from each other, allowing magma to rise up from inside the Earth. The magma reaches the bottom of the ocean, turns in to lava and cools (forming new rock)

Explanation:

7 0
3 years ago
Magnesium reacts with hydrochloric acid, HCl, to form magnesium chloride and hydrogen gas. The reaction is: Mg + 2HCl → MgCl2 +
prisoha [69]
Answer is: mass of HCl is 15,6 g.
Chemical reaction: Mg + 2HCl → MgCl₂ + H₂.
m(Mg) = 5,2 g.
n(Mg) = m(Mg) ÷ M(Mg).
n(Mg) = 5,2 g ÷ 24,3 g/mol.
n(Mg) = 0,213 mol.
From chemical reaction: n(Mg) : n(HCl) = 1 : 2.
n(HCl) = 0,426 mol.
m(HCl) = 0,426 mol · 36,45 g/mol.
m(HCl) = 15,6 g.
5 0
3 years ago
Name the compounds( Please answer only if you know)
IRISSAK [1]

Answer

2-methyl-2-pentene

Explanation:

1. Identify the group that takes precedence in this case alkene hence this molecule is an alkene with a methyl group side chain.

2.Find the longest carbon chain where the functional group(alkene group in this case) has the lowest Carbon number

3.What are the side groups? One side group can be seen at carbon 2 this group is methyl

4. Naming, number separated by "," and number from letters by "-" so the compound should be

2-methyl-2-pentene

8 0
3 years ago
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