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ololo11 [35]
2 years ago
10

Which condition must exist in order for conduction to occur between two substances?

Chemistry
2 answers:
kkurt [141]2 years ago
8 0

Answer:

B. Both substances must be the same temperature.

Explanation:

Sveta_85 [38]2 years ago
6 0

Answer: B

Explanation:

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Explain how a hurricane poses a threat to life and the biosphere. Use complete sentences.
Snezhnost [94]

Answer:

A hurricane can cause extreme damage to the biosphere and the geosphere. A hurricane can leave water standing therefore sinking itself into the geosphere. The biosphere can be permanently effected because it can kill, injure, and destroy the biosphere and what the biosphere creates (buildings, parks).

Explanation:

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3 years ago
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Based on the periodic table why are be, bg, ca and sr in the same column/group/family?
Lesechka [4]

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The elements are in the same column/group IIA.

See the explanation below, please.

Explanation:

The elements Calcium, Strontium, Beryllium, Magnesium, Barium and Radio, belong to the group of alkaline earth metals located in group IIA of the periodic table, they require 2 electrons to complete their octet (they have 2 valence electrons). reagents than alkali metals.

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3 years ago
In normal conditions, warm water "piles up" in the Western Pacific Ocean.<br><br> True<br> False
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In normal conditions, warm water does "pile up" in the" Western Pacific Ocean.
8 0
3 years ago
If 26.2 mL of AgNO3 is needed to precipitate all the Cl− ions in a 0.785-mg sample of KCl (forming AgCl), what is the molarity o
sweet-ann [11.9K]

<u>Answer:</u>

<em>The molarity of the AgNO_3 solution is 4.02 \times 10^4 M </em>

<em></em>

<u>Explanation:</u>

The Balanced chemical equation is

1AgNO_3 (aq) +1KCl (aq) > 1 AgCl (s)+1KNO_3 (aq)

Mole ratio of AgNO_3 : KCl is 1 : 1

So moles AgNO_3  = moles KCl

Moles KCl = \frac {mass}{molarmass}

= \frac {0.785 mg}{(39.1+35.5 g per mol)}

= \frac {0.000785 g}{74.6 g  per mol}

= 0. 0000105 mol KCl

= 0.0000105 mol AgNO_3

So  Molarity

= \frac {moles of solute}{(volume of solution in L)}

= \frac {0.0000105 mol}{26.2 mL}

=\frac {0.0000105 mol}{0.0262 L}

= 0.000402M or mol/L is the Answer

(Or) 4.02 \times 10^4 M is the Answer

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3 years ago
The image above shows what happens when hydrochloric acid (HCl) and sodium hydroxide (NaOH) are mixed with water. Which statemen
Sliva [168]
The correct answer is A
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