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stellarik [79]
2 years ago
5

which is stronger H2SO4 (sulfuric acid) or NaOH (sodium hydroxide)? It takes 8 drops of sulfuric acid added to sodium hydroxide

for it to turn yellow and 14 drops of sodium hydroxide for sulfuric acid to turn purple so which one is stronger?
Chemistry
1 answer:
natulia [17]2 years ago
8 0

Answer: H2SO4 (sulfuric acid)

Explanation: Oops mb i just double cheked

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Which type(s) of matter would need to be separated by chemical methods?
Marta_Voda [28]

Answer:

solids, liquids, gases, or plasma

Explanation:

In chemistry, a chemical substance is a form of matter that has constant chemical composition and characteristic properties. It cannot be separated into components without breaking chemical bonds. Chemical substances can be solids, liquids, gases, or plasma

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3 years ago
Describe what is happening when we see the color black. why do we see white?
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2 years ago
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Determine the electron geometry, molecular geometry and polarity of tecl6.
Delvig [45]
The electron geometry of TeCl6 is octahedral, while the molecular geometry is octahedral, non polar. 
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3 0
3 years ago
Find the volume of a gas if 3.6 mols of the gas is at STP
Digiron [165]

Answer:

81 L gas

General Formulas and Concepts:

<u>Ideal Gas Law</u>

  • STP (Standard Conditions for Temperature and Pressure) = 22.4 L per mole at 1 atm, 273 K

<u>Stoichiometry</u>

  • Using Dimensional Analysis

Explanation:

<u>Step 1: Define</u>

[Given] 3.6 mols gas at STP

[Solve] volume (L) of gas

<u>Step 2: Convert</u>

  1. [DA] Set up:                                                                                                       \displaystyle 3.6 \ mol \ gas(\frac{22.4 \ L \ gas}{1 \ mol \ gas \ at \ STP})
  2. [DA] Multiply [Cancel out units]:                                                                      \displaystyle 80.64 \ L \ gas

<u>Step 3: Check</u>

<em>Follow sig fig rules and round. We are given 2 sig figs.</em>

80.64 L gas ≈ 81 L gas

6 0
3 years ago
Help please chemistry will give brainliest
Jlenok [28]

Answer:

Explanation:

The Ideal Gas Law states that PV=nRT.

Rearrange that into P/n=RT/V.

In this case, the cylinder is rigid so the volume, V, does not change.

Temperature does not change either.

Out of 450 grams of gas, 150 grams leak out. So only 450-150 = 300 grams is left.

n is number of moles which is dependent on mass:

n1/n2 = 450/300 = 3/2

P1/n1 = RT/V = P2/n2

P2 = P1/n1*n2

= 7.2/3*2

= 4.8 atmosphere

6 0
3 years ago
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