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pav-90 [236]
3 years ago
8

Fatima is designing an advanced graphics card for a next-generation video game system. She needs to be able to

Chemistry
2 answers:
Bad White [126]3 years ago
4 0

Answer:

semiconducting,tellurium

Explanation:

just completed the assignment

Oksanka [162]3 years ago
3 0

semiconducting, tellurium

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16

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1. How do organisms maintain homeostasis?
Alex_Xolod [135]

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Maintenance of homeostasis usually involves negative feedback loops. These loops act to oppose the stimulus, or cue, that triggers them.

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3 years ago
What is the pressure in atm of a 5. 00 l tank with 2. 50 moles of oxygen
Umnica [9.8K]

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1

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5 0
2 years ago
You have 26.7 mL of 0.061 mol/L aqueous potassium hydroxide (KOH(aq)) in a conical flask. In a burette
Natasha2012 [34]

Answer:

9.47 mL

Explanation:

The reaction that takes place is:

  • 2KOH + H₂SO₄ → K₂SO₄ + 2H₂O

First we <u>calculate how many KOH moles reacted</u>, using <em>the given concentration and volume of KOH solution</em>:

  • 0.061 mol/L = 0.061 mmol/mL
  • 0.061 mmol/mL * 26.7 mL = 1.6287 mmol KOH

Then we <u>convert KOH moles into H₂SO₄ moles</u>, using the <em>stoichiometric coefficients</em>:

  • 1.6287 mmol KOH * \frac{1mmolH_2SO_4}{2mmolKOH} = 0.8144 mmol H₂SO₄

Finally we <u>calculate the required volume of the H₂SO₄ solution</u>, using<em> the number of moles and given concentration</em>:

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5 0
3 years ago
Germanium and chlorine react according to the following chemical equation:
seropon [69]

The mass of GeCl4 that would be formed will be 1.51 g

<h3>Stoichiometric calculations</h3>

From the balanced equation of the reaction:

Ge (s) + 2Cl2 (g) →GeCl4

The mole ratio of Ge and Cl2 is 1:2.

Mole of 1.0 g Ge: 1/72.64

                               = 0.01377 mole

Mole of 1.0 g Cl2 = 1/71

                             = 0.01408 mole

Thus, Cl2 is limiting.

Mole ratio of Cl2 and GeCl4 = 2:1

Equivalent mole of GeCl4 = 0.01408/2

                                       = 0.0070 mole

Mass of 0.0070 mole GeCl4 = 0.0070 x 214.4

                                               = 1.51 g

More on stoichiometric calculations can be found here: brainly.com/question/8062886

7 0
2 years ago
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