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mart [117]
3 years ago
10

A geological process changes the weather. the Earth’s surface. the Earth’s core . nothing

Chemistry
1 answer:
seropon [69]3 years ago
8 0
A geological process changes the Earth's surface.
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What are people who study wildfires called
NemiM [27]
The person is called a wildlife biologist.
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3 years ago
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The balanced equation shows how sodium chloride reacts with silver nitrate to form sodium nitrate and silver chloride. NaCl + Ag
Verdich [7]
<span>NaCl First calculate the molar mass of NaCl and AgNO3 by looking up the atomic weights of each element used in either compound Sodium = 22.989769 Chlorine = 35.453 Silver = 107.8682 Nitrogen = 14.0067 Oxygen = 15.999 Now multiply the atomic weight of each element by the number of times that element is in each compound and sum the results For NaCl 22.989769 + 35.453 = 58.44277 For AgNO3 107.8682 + 14.0067 + 3 * 15.999 = 169.8719 Now calculate how many moles of each substance by dividing the total mass by the molar mass For NaCl 4.00 g / 58.44277 g/mol = 0.068443 mol For AgNO3 10.00 g / 169.8719 g/mol = 0.058868 Looking at the balanced equation for the reaction, there is a 1 to 1 ratio in molecules for the reaction. Since there is a smaller number of moles of AgNO3 than there is of NaCl, that means that there will be some NaCl unreacted, so the excess reactant is NaCl</span>
8 0
3 years ago
37.5ml of menthol is dissolved in water to make 456 ml of solution, what is the concentration expressed in volume/volume % of th
Ahat [919]

Answer:

V/V% = 8.2%

Explanation:

Given data:

Volume of methanol = 37.5 mL

Volume of solution = 456 mL

V/V% = ?

Solution:

V/V% = [volume of solute / volume of solution ]×100

V/V% = 37.5 mL / 456 mL × 100

V/V% = 0.08× 100

V/V% = 8.2%

3 0
3 years ago
When dissolved in water, koh behaves as an acid that forms k+ and oh- ions. a base that forms ko- and h+ ions. a base that forms
Serggg [28]

Answer:

A base that forms K⁺ and OH⁻ ions.

Explanation:

The KOH is an Arrhenius base.

A is <em>wrong</em>. A base does not form H⁺ ions.

B is <em>wrong</em>. A metal hydroxide forms K⁺ ions, not KO⁻ ions.

D is <em>wrong</em>. The metal forms K⁺ ions, KO⁻ ions.

4 0
3 years ago
How many grams are in 3.4 moles of Sulfur
OLEGan [10]

Answer:

109.02 grams

Explanation:

Multiply the molar mass of sulfur by the moles: 3.4 * 32.065 = 109.02 grams

6 0
3 years ago
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