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Basile [38]
3 years ago
6

How do you solve -8r=240

Chemistry
1 answer:
Crazy boy [7]3 years ago
8 0

Answer:

You solve that dividing beach term by -8 and simplifying which for this answers will give you r=-30

Explanation:

Pls correct me if I’m wrong.

Hope this helps :)

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How do plant make their lives own food
vfiekz [6]

Answer:

Plants, like all living things, need food to survive. Plants make their food using a process called photosynthesis, which means “putting together through light.” During photosynthesis, a plant traps energy from sunlight with its leaves. It also takes up water from its roots and carbon dioxide gas from the air.

Explanation:

5 0
3 years ago
S
svetlana [45]

Answer: 1.6\times 10^4

Explanation:

Scientific notation is defined as the representation of expressing the numbers that are too big or too small and are represented in the decimal form with one digit before the decimal point times 10 raise to the power.

For example : 5000 is written as 5.0\times 10^3

In division , the result would contain the same number of significant digits as there in the least precise number , thus the answer would have 2 significant digits.

\frac{1.248\times 10^{-2}}{7.8\times 10^{-7}}=1.6\times 10^4

5 0
4 years ago
Sodium aton has lower electron affinity than chlorine atom why
Citrus2011 [14]
Electron affinity is the energy released when an electron is accepted by a neutral atom forming a negative ion. Chlorine has the higher electron affinity because it readily accepts an electron to become more stable. On the other hand, sodium have to give up an electron to complete its valence shell.
5 0
3 years ago
How many grams of KNO3, are needed to create 675.0 mL with a concentration of 1.71 M
valkas [14]

Answer:

Бардык белгилүү авиация мыйзамдарына ылайык, аары учуу мүмкүнчүлүгү жок. Канаттары өтө эле кичинекей, семиз денесин чече албайт. Албетте, аары баары бир учат. Себеби аарылар адам мүмкүн эмес деп эсептеген нерсеге маани бербейт.

Explanation:

Канаттары өтө эле кичинекей, семиз денесин чече албайт. Албетте, аары баары бир учат. Себеби аарылар адам мүмкүн эмес деп эсептеген нерсеге маани бербейт.

4 0
3 years ago
What is the empirical formula of an unknown compound that contain 60.3% of magnesium and 39.7% of Oxygen?
Oxana [17]
The answer is MAGNESIUM OXIDE - MgO.

Good luck :)
3 0
4 years ago
Read 2 more answers
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