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BigorU [14]
3 years ago
6

What are the parts of a water molecule

Chemistry
1 answer:
astra-53 [7]3 years ago
6 0

Answer:

2 hydrogen, 1 oxygen

Explanation:

H2 O

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How much of a 0.250 M lithium hydroxide is required to neutralize 20.0 mL of 0.345M chlorous acid?
Bumek [7]

Answer:

27.6mL of LiOH 0.250M

Explanation:

The reaction of lithium hydroxide (LiOH) with chlorous acid (HClO₂) is:

LiOH + HClO₂ → LiClO₂ + H₂O

<em>That means, 1 mole of hydroxide reacts per mole of acid</em>

Moles of  20.0 mL = 0.0200L of 0.345M chlorous acid are:

0.0200L ₓ (0.345mol / L) = <em>6.90x10⁻³ moles of HClO₂</em>

To neutralize this acid, you need to add the same number of moles of LiOH, that is 6.90x10⁻³ moles. As the LiOH contains 0.250 moles / L:

6.90x10⁻³ moles ₓ (1L / 0.250mol) = 0.0276L of LiOH =

<h3>27.6mL of LiOH 0.250M</h3>
6 0
3 years ago
Which of the following showing the Law of Conservation of Mass?
Stells [14]
The only one I know for sure is Mass is always conserved In a Chemical reaction.
7 0
3 years ago
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How the inside of a greenhouse works is an example of conduction, convection, or radiation?
gizmo_the_mogwai [7]

Answer:

Radiation

Explanation: Because greenhouses have glass and sun travels through glass .

6 0
3 years ago
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Exercise 4: Gas under 200 kPa of pressure at a temperature of 120 K fills a 0.5 L container. If the temperature decreases to 80
nordsb [41]

Answer:

Briggs is planning to make abatch of home made play dough for an art projections

6 0
3 years ago
PLEASE HELPPP 100 POINTS!!
MissTica

Answer:

1) pentane is of higher Molecular mass than propane hence heavier member

2) due to intermolecular hydrogen bonding methanol is liquid having lower molecular weight

3) I) in methanol C = sp3

ii) in methanoic acid C= sp2

5)I) i) The two carbon-oxygen bonds in the methanoate anion, HCO2-, have the same length due to resonance stabilization of the C-O bond

Explanation:

See attachment for question 4

7 0
3 years ago
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