CHEMISTRY MIDDLE SCHOOL

How many atoms are in 2C3H5Oh+7O2​

Answers

Answer 1
Answer:

Answer: o.62+10 atoms

Explanation: equals 1

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Determine a planet from our solar system is located far from the sun. Describe the size and composition of this planet

Answers

Answer:

We could say that it is the planet Neptune

Explanation:

Neptune a gaseous planet. It is the planet furthest from the Sun being at an approximate distance of 4,500 million kilometers, its mass is 1,0241 x 10^26 kg. Neptune is composed of ice and rock, with a heavy and solid core similar to Earth's. It does not have a solid surface. It is a dense planet and its magnetic field is 27 times stronger than Earth's. Neptune has an atmosphere of 74% hydrogen, 25% helium and 1% methane.
Jupiter is a very large planet mainly made up of hydrogen 

Which of these would be directly related to the science of ecology?
A: uncovering the genetic makeup of the eastern cottontail rabbit
B: developing strains of corn that can withstand a combination of drought and high winds
C: learning about foods that benefit the heart and blood vessels
D: studying how the mayfly population affects the number of trout in a stream

HELP!!!!!

Answers

D: studying how the mayfly population affects the number of trout in a stream

What is Ecology?

Ecology is the study of organisms and how they interact with the environment around them.

How mayfly is related to Ecology?

Mayflies provide direct and indirect services to humans and other parts of both freshwater and terrestrial ecosystems.

About 20% of mayfly species worldwide might have a threatened conservation status due to influences from pollution, invasive alien species, habitat loss and degradation, and climate change.

Thus, option D. is correct.

Learn more:

brainly.com/question/8395177

The answer is:

D.) studying how the mayfly population affects the number of trout in a stream

If its correct, I'm happy to help XD

Which of the following objects is NOT a part of our solar system? A. the North Star B. the dwarf planet Pluto C. the asteroid belt D. Jupiter’s moons

Answers

Of the items on the list, only choice A. (The North Star) is not a part of our solar system. The items in our solar system are those objects that orbit our Sun and are enclosed inside the Oort Cloud. The North Star (named Polaris) is a star located quite some distance away from the Earth.
Hope that helped! =)
The answer is A because the North Star is a star and stars are suns not in our solar system. Hope this helped!

What is the balanced chemical equation for the reaction between Hydrochloride acid and calcium carbonate when the products of the reaction are calcium chloride Carbon Dioxide and water

Answers

Answer: 2HCl + CaCO3 => CaCl2+ CO2 + H2O

Explanation:

The equation is now balanced.

2 atoms H in both reactant and product side.

Cl have 2 atoms on both sides.

Ca have 1 atom in both sides.

C have 1 atom on both sides and

O have 3 atoms on both reactant and product side

Alpha effect on atomic mass and effect on atomic number

Answers

Question: alpha effect on atomic mass and effect on atomic number

Answer:  the atomic mass number decreases by four and the atomic number decreases by two

Explanation:  When an alpha particle is emitted from the nucleus, the nucleus loses two protons and two neutrons and creates a new element

question answered by

(jacemorris04)
By usuning usfal numbers

You can put out a chip pan fire by putting a damp cloth over the pan. Explain why this works.

Answers

Placing a damp towel on the chip pan fire will stop the oxygen from getting to flames, so the fire will smother out.
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