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Feliz [49]
3 years ago
13

What mass of sodium hydroxide must be heated in order to produce 4.5 g of water?

Chemistry
1 answer:
inysia [295]3 years ago
5 0

Answer:

10 g

Explanation:

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IrinaVladis [17]

Answer:

the squid population could decrease, because the tuna population is increasing and they would eat more squid, so the dolphin population would also decrease because there would be less squid to eat, and because there are less squid the herring population would increase.

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3 years ago
Draw the structure of (z)-3-bromo-6-methyl-2-heptene. be sure the stereochemistry is drawn clearly.
Anna007 [38]

Explanation: In IUPAC, E-Z convention is given for describing the cis - trans notation to the isomers. According to CIP rule, the groups on the doubly bonded carbon atoms are given priorities based on the the atomic masses of first connected atom.

If the highest priority groups are on the same side, it is known as Z-form and if the highest priority groups are on opposite side, it is known as E-form.

We are given (Z)-3-bromo-6-methyl-2-heptene, in this the highest priority groups are bromine on one side and methyl- group on another side.

The structure is provided in the image below.

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3 years ago
What is the oxidation number for N in the compound NH3? (Recall that H usually has an oxidation number of +1.)
kari74 [83]

Answer:

the oxidation number is -3

4 0
3 years ago
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Kayla wants to be an active listener. What can she do?
sertanlavr [38]
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gulaghasi [49]

Answer:  Mercury!!!!!!

Explanation:

Highs and lows. Orbiting between 28 and 43 million miles (46 and 70 million kilometers) from the sun, Mercury, also the smallest planet, feels the brunt of the solar rays. According to NASA, the tiny world suffers the most extreme temperature range of any other planet in the solar system.

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