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ludmilkaskok [199]
3 years ago
15

The diagram shows the life cycle of a pine tree.

Chemistry
2 answers:
Brrunno [24]3 years ago
7 0

Answer: D- A seed that contains an embryo plant grows into a young pine tree.

Explanation: The embryo plant comes from a pinecone seed so it can grow into a new plant.

hodyreva [135]3 years ago
6 0

Answer: d

Explanation: a p e x

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Vanyuwa [196]

Answer:

Who knows? Never been there

Explanation:

7 0
3 years ago
A reaction proceeds with 2.72 moles of magnesium chlorate and 3.14 moles of sodium hydroxide. this is the equation of the reacti
den301095 [7]

The theoretical amount of each product obtained are:

  • 1.57 moles of Mg(OH)₂
  • 3.14 moles of NaClO₃

<h3>Balanced equation</h3>

Mg(ClO₃)₂ + 2NaOH —> Mg(OH)₂ + 2NaClO₃

<h3>How to determine the limiting reactant</h3>

From the balanced equation above,

1 mole of Mg(ClO₃)₂ reacted with 2 moles of NaOH

Therefore,

2.72 moles of Mg(ClO₃)₂ will react with = 2.72 × 2 = 5.44 moles of NaOH

From the calculation above, we can see that a higher amount (5.44 moles) of NaOH than what was given (3.14 moles) is needed to react completely with 2.72 moles of Mg(ClO₃)₂

Therefore, NaOH is the limiting reactant

<h3>How to determine the theoretical yield of Mg(OH)₂</h3>

From the balanced equation above,

2 moles of NaOH reacted to produce 1 mole of Mg(OH)₂

Therefore,

3.14 moles of NaOH will react to produce = 3.14 / 2 = 1.57 moles of Mg(OH)₂

Thus, the theoretical yield of Mg(OH)₂ is 1.57 moles

<h3>How to determine the theoretical yield of NaClO₃</h3>

From the balanced equation above,

2 moles of NaOH reacted to produce 2 mole of NaClO₃

Therefore,

3.14 moles of NaOH will also react to produce 3.14 moles of NaClO₃

Thus, the theoretical yield of NaClO₃ is 3.14 moles

Learn more about stoichiometry:

brainly.com/question/14735801

#SPJ4

8 0
2 years ago
54:63 ratio simplest form?
MrMuchimi

Answer:

The fraction is 6/7

Explanation:

6/7 is the simplified fraction for 54/63 by using the GCD or HCF method. Thus, 6/7 is the simplified fraction for 54/63 by using the prime factorization method.

Hope this helps!!!

Can I have Brainliest???

3 0
3 years ago
PLS HELP! Suppose you have a sample of an unknown mineral with a mass of 86 g. You place the sample in a graduated cylinder fill
bija089 [108]
O le elo ma muli pipilo ma le kaoga e fai gi o meaoga
4 0
3 years ago
Which type of energy transformation occurs when a flashlight shines?
never [62]

Answer:

chemical to light

Explanation:

the chemicals in batteries are converted to electricity and then to light

6 0
3 years ago
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