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Fittoniya [83]
3 years ago
6

PLEASE HELP ASAP!!!

Chemistry
2 answers:
sladkih [1.3K]3 years ago
8 0
A binary phase or binary compound is a chemical compound containing two different elements
vampirchik [111]3 years ago
3 0

Answer:

the correct answer is

a compound composed of two different elements

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In which concentration of sulfuric acid solution would the reaction occur the fastest?
quester [9]

Answer:

B. 0.16 M H₂SO₄.

Explanation:

  • The rate of the reaction depends directly on the concentration of the reactants.

Rate ∝ [Reactants].

So, the reaction occurs fastest in the highest concentration of H₂SO₄.

<em>So, the answer is: B. 0.16 M H₂SO₄.</em>

<em></em>

7 0
3 years ago
You have a mixture that contains 0.380 moles of Ne(g), 0.250 moles of He(g), and 0.500 moles CH4(g) at 400 K and 7.25 atm. What
boyakko [2]
I think it is the pacific ocean
5 0
3 years ago
What words do scientists use to classify their ideas?
Ipatiy [6.2K]

Answer:

Scientists use a two-name system called a Binomial Naming System. Scientists name animals and plants using the system that describes the genus and species of the organism. The first word is the genus and the second is the species. The first word is capitalized and the second is not.

Explanation:

3 0
3 years ago
Determine the concentration of sulfuric acid that needed 47 mL of 0.39M potassium hydroxide solution to neutralize a 25 mL sampl
77julia77 [94]

Answer:

<u></u>

  • <u>0.37M</u>

Explanation:

Since sulfuric acid, H₂SO₄, is a diprotic acid and potassum hydroxide, KOH, contains one OH⁻ in the formula, the number of moles of potassium hydroxide must be twice the number of moles of sulfuric acid.

<u>1. Determine the number of moles of KOH in 47mL of 0.39M potassium hydroxide solution</u>

  • number of moles = molarity × volume in liters
  • number of moles = 0.39M × 47mL × 1liter/1,000 mL = 0.1833mol

<u>2. Determine the number of moles of sulfuric acid needed</u>

  • number of moles of H₂SO₄ = number of moles of KOH/2 = 0.1833/2 = 0.009165mol

<u>3. Determine the concentration that contains 0.009165 mol in 25mL of the acid.</u>

  • Molarity = number of moles / volume in liters
  • M = 0.009165mol/(25mL) × (1,000mL/liter) = 0.3666M

Round to two significant figures: 0.37M

7 0
3 years ago
Help--? im so bad at science ugh
sukhopar [10]

Answer:

a volcano is convergent

Explanation:

8 0
3 years ago
Read 2 more answers
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