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3 years ago

Which describes the role of oxygen in photosynthesis?

Chemistry

2 answers:

Nikitich [7]3 years ago

7 0

Answer:

it is a reactant so it enters the plant.

Explanation:

Basile [38]3 years ago

5 0

Photosynthesis is the process utilized in the chloroplasts of plant cells, where carbon dioxide and water undergo a chemical process with radiant energy, usually from the sun. The resulting products are energy stored in the form of a glucose molecule, and oxygen, which is given off as a waste product.

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A cheetah has been clocked at 112 km/h over a 100-m distance. What is this speed in m/s?

Serhud [2]

M/sec = 112 km / 1 hr / 1 min / 1000 meters
hr / 60 min / 60 sec / 1 km

So the answer is = 31.1 meters/sec

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3 years ago

How can the actions of people affect runoff and absorption in a positive way? How do they affect them in a negative way?

lora16 [44]

Answer:

pollution and waste every where like in are ouceans

Explanation:

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3 years ago

What is the scientific method?

OLEGan [10]

D. A set of steps that help scientists gather knowledge

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3 years ago

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Pavel [41]

Data validation → editing data → entry data → tabulation

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Learn more about Data preparation here:

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1 year ago

Making solutions is an extremely important component to real-life chemistry. If you make 3.00 L of a solution using 90.0 g of so

kumpel [21]

Answer:

Final concentration of NaOH = 0.75 M

Explanation:

For $NaOH$ :-

Given mass = 90.0 g

Molar mass of NaOH = 39.997 g/mol

The formula for the calculation of moles is shown below:

$moles = \frac{Mass\ taken}{Molar\ mass}$

Thus,

$Moles= \frac{90.0\ g}{39.997\ g/mol}$

$Moles\ of\ NaOH= 2.2502\ mol$

Molarity is defined as the number of moles present in one liter of the solution. It is basically the ratio of the moles of the solute to the liters of the solution.

The expression for the molarity, according to its definition is shown below as:

$Molarity=\frac{Moles\ of\ solute}{Volume\ of\ the\ solution}$

Where, Volume must be in Liter.

It is denoted by M.

Given, Volume = 3.00 L

So,

$Molarity=\frac{2.2502\ mol}{3.00\ L}=0.75\ M$

<u>Final concentration of NaOH = 0.75 M</u>

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4 years ago