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3 years ago

Collectiveness leads to a good society? how

Chemistry

1 answer:

ivann1987 [24]3 years ago

8 0

Answer:

A good society has a transparent talk, they share all matters related to the society, hence everyone knows what's going on. This is why collectiveness leads to a good society.

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1) Protons have what kind of charge?

Anuta_ua [19.1K]

1) protons have a positive charge
2) electrons have a negative charge
3) neutrons have a neutral charge

7 0

3 years ago

By means of a schematic diagram show how a bacteria cell applied to the region of a cowpea root can end up by becoming a nitrate

masya89 [10]

Answer:

Nitrifying bacterium such as nitrosomonas or nitrobacter, whe applied to the soil, convert free ammonia or nitrogen to nitrates through oxidation. They are a group of aerobic bacteria playing an important role in the nitrogen cycle as producers of energy from inorganic source.

The schematic diagram attached summaries the action of such bacteria.

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3 years ago

Which of the following is an example of pseudo science

Otrada [13]

Answer:

Astrology

Explanation:

One characteristic of science is that it must be reproducible. Other scientists must be able to repeat the original experiments and get the same result. That's what makes scientific claims reliable.

Astrology contends that the positions and motions of stars and planets can affect people and events on Earth. This has been disproved, so astrology is a pseudoscience .

Biology, chemistry, and physics are sciences.

7 0

4 years ago

22.4l of ammonia is reaxts with 1.406 mole of oxygen to produce NO and h2o .1.what volume of no is produced at ntp

IceJOKER [234]

Answer:

The volume of NO is 22.4L at STP

Explanation:

Based on the reaction:

2NH3 + 5/2O2 → 2NO + 3H2O

2 moles of NH3 react with 5/2 moles of O2 to produce 2 moles of NO.

To solve this question, we need to find the moles of each reactant in order to find the limiting reactant as follows:

Moles NH3 -Molar mass: -17.01g/mol-

Using PV = nRT

PV/RT = n

Where P is pressure = 1atm at STP

V is volume = 22.4L

R is gas constant = 0.082atmL/molK

T is absolute temperature = 273.15K

1atm*22.4L/0.082atmL/molK*273.15K = n

n = 1.00 moles of NH3

For a complete reaction of 1.00 moles of NH3 are needed:

1.00 moles NH3 * (5/2moles O2 / 2moles NH3) = 1.25 moles of O2

As there are 1.406 moles of O2, the limiting reactant is NH3

The moles of NO produced are the same than moles of NH3 because 2 moles of NH3 produce 2 moles of NO. The moles of NO are 1.00 moles

And as 1.00moles of gas are 22.4L at STP:

<h3>The volume of NO is 22.4L at STP</h3>

4 0

3 years ago

Intravenous saline solutions are often administered to patients in the hospital. Normal saline solution containers has a concent

zalisa [80]

0.02 mol NaCl

Explanation:

(0.2M NaCl)×(0.10 L) = 0.02 mol NaCl

8 0

3 years ago

Collectiveness leads to a good society? how​

Collectiveness leads to a good society? how