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yulyashka [42]
3 years ago
14

All of the following are abiotic factors in an ecosystem except

Chemistry
2 answers:
saul85 [17]3 years ago
5 0
Bacteria are the living/biotic components in an ecosystem.
victus00 [196]3 years ago
4 0

Answer:

The correct answer is option d: bacteria

Explanation:

Hello! Let's solve this!

Abiotic components are those that have no life and biotics are the factors that have life.

Let's see each option!

Nutrients: they have no life, they can be calcium, protasium, vitamins

sunlight: it has no life, it comes from the sun

rain: it has no life, it is condensed water and it falls to the earth in the form of drops

bacteria: they have life, they are cells so they are living beings.

We conclude that the correct answer is option d: bacteria

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Potassium chlorate (used in fireworks, flares, and safety matches) forms oxygen and potassium chloride when heated. KClO3(s) → K
Zina [86]

Answer:

10.3 g of oxygen are formed when 26.4 g of potassium chlorate is heated

Explanation:

This is the balanced equation:

2KClO₃(s) → 2KCl(s) + 3O₂(g)

Ratio beteween the salt and oxygen is 2:3

Molar mass of KClO₃ = 122.55 g/m

Let's find out the moles of salt

Mass / Molar mass

26.4 g /122.55 g/m = 0.215 moles

So, this is the final rule of three:

If 2 moles of KClO₃ make 3 moles of oxygen

0.215 moles of KClO₃ make  (0.215  .3) /2 = 0.323 moles of O₂ are produced

Molar mass O₂ = 32 g/m

Moles . molar mass = mass

0.323 m  . 32g/m = 10.3 g

4 0
3 years ago
Henok is observing the reaction rate of a chemical reaction. He then adds a catalyst to the reaction.
tia_tia [17]
A catalyst will ALWAYS increase the reaction rate so C
4 0
3 years ago
How to feel peace (>_<)​
snow_lady [41]

Answer:

Pray to ur God to give you some peace

Explanation:

and then listen to some peace full music

I only know that

3 0
2 years ago
Read 2 more answers
A lead ball is added to a graduated cylinder containing 50.6 ml of water, causing the level of the water to increase to 93.0 mL.
Kamila [148]

42.4 ml is the volume in milliliters of the lead ball if a lead ball is added to a graduated cylinder containing 50.6 ml of water.

<h3>What is a graduated cylinder?</h3>

A tall narrow container with a volume scale is used especially for measuring liquids.

The graduated cylinder contains water

mL is a volume unit.

Water volume = 50.6 ml

The lead ball caused an increase in volume from 50.6 ml to 93.0 mL.

The new volume is the lead ball volume plus the original water volume :

Final volume = Vlead ball+ Water original volume

93.0 mL= V_(lead ball) +50.6 ml

V_(lead ball) = 93.0 mL - 50.6 ml

V_(lead ball) = 42.4 ml

Hence, 42.4 ml is the volume in milliliters of the lead ball.

Learn more about the graduated cylinder  here:

brainly.com/question/13386106

#SPJ1

4 0
2 years ago
How many moles of oxygen are required to react with methanol in order to produce 13 moles of formaldehyde?
ddd [48]

Answer:

6.5 moles of Oxygen are required

Explanation:

Based on the reaction:

CH3OH + 1/2 O2 → CH2O + H2O

1 mole of methanol reacts with 1/2 moles O2 to produce 1 mole of formaldehyde and 1 mole of water.

Thus, to produe 13 moles of formaldehyde, CH2O, are needed:

13 moles CH2O * (1/2mol O2 / 1mol CH2O) =

<h3>6.5 moles of Oxygen are required</h3>
3 0
3 years ago
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