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Umnica [9.8K]
3 years ago
5

How can the rate of a reaction be increrased?

Chemistry
1 answer:
olya-2409 [2.1K]3 years ago
6 0
The temperature is increased<span>. The concentration of a dissolved reactant is </span>increased<span>. The pressure of a reacting gas is </span>increased<span>. Solid reactants are broken into smaller pieces.</span>
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How many moles are in 110 grams of nahco3
yuradex [85]
Molar mass NaHCO₃ = 23 + 1 + 12 + 16 x 3 = 84 g/mol

1 mole ---------- 84 g
? mole ---------- 110 g

moles NaHCO₃ = 110 . 1 / 84

moles NaHCO₃ = 110 / 84

= 1.309 moles

hope this helps!
4 0
3 years ago
Which of the following is an oxidation? Select all that apply
butalik [34]

Answer:

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2 years ago
What is the energy of a light wave with a frequency of 9.8 x 10^20 Hz?
Wewaii [24]

Answer:

Regions of the Electromagnetic Spectrum

Wavelength (m)Frequency (Hz)Radio> 1 x 10-1< 3 x 109Microwave1 x 10-3 - 1 x 10-13 x 109 - 3 x 1011Infrared7 x 10-7 - 1 x 10-33 x 1011 - 4 x 1014Optical4 x 10-7 - 7 x 10-74 x 1014 - 7.5 x 1014

7 0
3 years ago
How many grams of a 32.9% potassium sulfate solution would contain 181.6 g potassium
Anna007 [38]

Answer:

grams of solution = 551.98 g

Explanation:

Given data:

Percentage of solution = 32.9

Mass of solute = 181.6 g

Grams of solvent = ?

Solution:

Formula:

%  = [grams of solute / grams of solution] × 100

Now we will put the values in formula.

32.9 = [ 181.6 g / grams of solution] × 100

grams of solution = 181.6 g × 100 / 32.9

grams of solution = 18160 g /32.9

grams of solution = 551.98 g

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3 years ago
What is the Noble Gas Configuration for Europium?
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Is this a real question? It’s B
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