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natali 33 [55]
3 years ago
11

According to the diagram below, In which hemisphere is it NIGHT and SUMMER?

Chemistry
1 answer:
Wewaii [24]3 years ago
5 0
The answer should be A. NW Hemisphere
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Which of the isomeric alcohols having the molecular formula c5h12o are chiral which are achiral?
Masteriza [31]

Answer:

Chiral:

3-Methyl-2-butanol

Achiral:

1-Pentanol

3-Pentanol

3-Methyl-1-butanol

Explanation:

Only the molecule that bears a carbon atom surrounded by 4 different groups can be said to be Chiral, the other molecules don't satisfy this property.

7 0
3 years ago
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What pieces of information do we need in order to calculate the percent yield?
SCORPION-xisa [38]

Answer:

The maximum amount possible of product and the amount experimentally recovered

Explanation:

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3 years ago
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What is the difference between bose- einstein condensates and plasma
uysha [10]

Plasma's are gases of electrically charged particles, with equal amounts of both positive and negative charge. Only certain types of particles, called bosons, can form Bose-Einstein condensates. The other type of particle- Fermions- can only have at most one particle in each state.

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3 years ago
Radium decays to form radon. *x26Ra 222 Rn + He 86 This type of nuclear decay is called​
mestny [16]

Answer: it's alpha decay (α)

Explanation: mass number of mother nucleus decreases by four and number of protons decreases by two. Smaller nucleus is He-4 nucleus.

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3 years ago
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How is Oxygen -18 different from oxygen -16?
Oksanka [162]

A  O-18 has 2 more neutrons than O-16

<h3>Further explanation</h3>

Oxygen is located in group 16 in the p block which has the atomic number 8

In the atomic symbol (neutral), the atomic number indicates the number of electrons and protons. while the number of neutrons is obtained from the difference between the mass number and the atomic number.

The isotope will have the same number of protons (atomic number) but a different mass number

Isotopes of oxygen include: O-18 and O-16

\tt _8^{18}O~\rightarrow neutron=18-8=10,proton=8\\\\_8^{16}O\rightarrow neutron=16-8=8,proton=8

6 0
3 years ago
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