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Anit [1.1K]
3 years ago
8

What is the molecular geometry of CO2?

Chemistry
1 answer:
Bas_tet [7]3 years ago
7 0

Answer:

Tetrahedral

And can u give me the brainlist I only need one to get a higher rank and thank u

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Explain the differences between an ionic crystal like "NaCl" (Sodium Chloride) and a metal like Fe (Iron).
lesantik [10]

Answer:

salt is weaker and has looser atomic bonds and iron has stronger and tighter ionic bonds

Explanation:

7 0
3 years ago
Calculate the number of milliliters of 0.666 M Ba(OH)2 required to precipitate all of the Pb2 ions in 163 mL of 0.656 M Pb(NO3)2
Sliva [168]

Answer:

161 mL

Explanation:

  • Pb(NO₃)₂(aq) + Ba(OH)₂(aq) → Pb(OH)₂(s) + Ba(NO₃)₂(aq)

First we <u>calculate how many Pb⁺² moles reacted</u>, using the<em> given concentration and volume of the Pb(NO₃)₂ solution</em>:

  • 163 mL * 0.656 M = 107 mmol Pb(NO₃)₂

As<em> 1 millimol of Pb(NO₃)₂ would react with 1 millimol of Ba(OH)₂,</em> to precipitate 107 mmoles of Pb(NO₃)₂ we would require 107 mmoles of Ba(OH)₂.

Using the number of moles and the concentration we can <u>calculate the required number of milliliters</u>:

  • 0.666 M = 107 mmol / x mL
  • x mL = 161 mL
5 0
3 years ago
The temperature of a 500. ml sample of gas increases from 150. k to 350. k. what is the final volume of the sample of gas, if th
Andreas93 [3]
<span>Answer: 1170 ml is the final volume of the sample of gas, if the pressure and moles in the container is kept constant.</span>
7 0
4 years ago
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What number represents water becoming water vapor in this diagram
vredina [299]


the answer is <u>"A" 1</u>

3 0
3 years ago
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Balance this equation. if a coefficient of "1" is required, choose "blank" for that box.
blondinia [14]
Step 1: Write Imbalance Equation

                            CH₃CHO  +  O₂    →    CO₂  +  H₂O

Step 2: Balance Carbon Atoms:
                                                 There are 2 carbon atoms at reactant side and one at product side. So multiply CO₂ with 2 to balance them. i.e.

                             CH₃CHO  +  O₂    →    2 CO₂  +  H₂O 

Step 3: Balance Hydrogen Atoms:
                                                      There are 4 hydrogen atoms at reactant side and 2 Hydrogen atoms at product side. So, multiply H₂O by 2 to balance Hydrogen on both sides. i.e.

                    CH₃CHO  +  O₂    →    2 CO₂  +  2 H₂O

Step 4: Balance Oxygen Atoms:
                                                   There are 3 Oxygen atoms at reactant side and 6 Oxygen atoms at product side. In order to balance them multiply O₂ on reactant side by 2.5 (5/2). i.e  

                    CH₃CHO  +  5/2 O₂    →    2 CO₂  +  2 H₂O

Step 6: Eliminate Fraction:
                                         Multiply overall equation by 2 to eliminate fraction. i.e. 

                    2 CH₃CHO  +  5 O₂    →    4 CO₂  +  4 H₂O
7 0
3 years ago
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