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Liono4ka [1.6K]
3 years ago
9

Which organelle is the control center of a cell?

Chemistry
2 answers:
Korvikt [17]3 years ago
6 0
C) the nucleus. Hope this helps :)
yanalaym [24]3 years ago
5 0

Answer:

C the nucleus!

Explanation:

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When C2H4(g) reacts with H2O(g) to form CH3CH2OH(g) according to the following equation, energy is released into the surrounding
kirill [66]

Answer:

Exothermic

General Formulas and Concepts:

<u>Chemistry</u>

<u>Thermodynamics</u>

  • Exothermic - releases heat as a product
  • Endothermic - absorbs heat as a reactant

Explanation:

We are given that the reaction takes place between C₂H₄ (g) and H₂O (g) to form CH₃CH₂OH (g) and is <em>releasing heat</em>.

This means that heat would be product as it is being released during the reaction.

Therefore, we have an exothermic reaction.

3 0
3 years ago
How many grams of sodium hyrdioxde are in 251.0ml f 0.600m
Furkat [3]

Answer:

There are 6.024 grams of sodium hydroxide in the solution.

Explanation:

Molarity=\frac{Moles}{Volume (L)}

Moles (n)=Molarity(M)\times Volume (L)

Moles of sodium hydroxide = n

Volume of sodium hydroxide solution = 251.0 mL = 0.251 L

Molarity of the sodium hydroxide = 0.600 M

n=0.600 M\times 0.251 L=0.1506 mol

Mass of 0.1506 moles of NaOH :

40 g/mol\times 0.1506 mol = 6.024 g

There are 6.024 grams of sodium hydroxide in the solution.

4 0
3 years ago
What change or changes in the state of a gas bring about each of the following effects? a. the number of impacts per unit time o
Elan Coil [88]
<span>c. The average distance between gas molecules increases</span>
8 0
3 years ago
Which of these is a base? HCl NaOH H2SO4 HNO3
Alina [70]

Answer:

NaOH

Explanation:

Sodium Hydroxide (Caustic Soda) is a base. It shares many characteristics of bleach: Albeit more powerful.

7 0
3 years ago
Which group of elements readily loses two electrons to form a compound?
nexus9112 [7]
The alkaline earth metals (the second group) because their ion charge is +2
8 0
4 years ago
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