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Inessa [10]
3 years ago
9

. In what direction is heat flowing when inserting your cold hand into a warm glove on a winter day? From the warm glove to your

cold hand From the sun to your cold hand From your cold hand to the warm glove From your warm hand to the cold glove
Chemistry
2 answers:
timofeeve [1]3 years ago
7 0

Answer:

from the warm glove, to your warm hand <3

Explanation:

stealth61 [152]3 years ago
4 0

Answer:

From the warm glove to your cold hand

Heat from the glove will be transferred to your cold hand which had less heat. Heat does NOT like gradients, so it will flow from where there is more heat to where there is less until the heat across the surface is even.

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1.what PROCESS describes the water moving through a membrane?
Sliva [168]

Answer:

<u>Osmosis </u>is the process that describes water moving through a membrane.

I am not sure about the second question.

Explanation:

8 0
3 years ago
52° 31' 12.0288"N and 13° 24' 17.8344" E.<br> What continent is it on?
olga55 [171]

Answer: Europe

Explanation: it’s in germany

7 0
3 years ago
Mercury chloride is a commercial fungicide. If the molar mass is 470 g/mol and the percent composition is 85.0% Hg and 15.0% Cl,
ElenaW [278]
Data: molar mass 470 g/mol

Percent composition:

Hg = 85.0%
Cl = 15.0%

Solution:

1)  Convert % to molar ratios

A. Base: 100 g

=> Hg = 85.0 g / 200.59 g/mol = 0.4235 mol

     Cl = 15.0 g / 35.45 g/mol = 0.4231 mol

B. divide by the higher number and round to whole number

Hg = 0.4325 / 0.4231 = 1.00

Cl = 0.4231 / 0.4231 = 1.00

=> Empirical formula = Hg Cl

2) Find the mass of the empirical formula:

HgCl: 200.59 g/mol + 35.45 g/mol = 236.04

3) Determine how many times is the empirical mass contained in the molecular mass:

470 g/mol / 236.04 = 1.99 ≈ 2

=> Molecular formula = Hg2 Cl2.

Answers:

Empirical formula HgCl
Molecular Formula Hg2Cl2
6 0
4 years ago
Which of the following would be a quantitative observation? a.The solution has a volume of 25 mL b.The solution turned blue c.Th
alexandr402 [8]
The correct answer for this question is this one: " a.The solution has a volume of 25 mL "

The observation that shows a quantitative observation is when you are talking about numeric data. Just like this one, <em>The solution has a volume of 25 mL </em>
Hope this helps answer your question and have a nice day ahead.
5 0
3 years ago
Which of the following observations is usually not evidence of a chemical change ?
Nookie1986 [14]

Answer:

D

Explanation:

Have a nice day

5 0
4 years ago
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