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Savatey [412]
3 years ago
15

Which of the following compounds would have a linear molecular geometry? 1. N2 2. H2S 3. CO2 a. 1 and 3 only b.1 and 2 only c.2

and 3 only d.1,2 and 3 neither 1, 2,or 3

Chemistry
1 answer:
borishaifa [10]3 years ago
4 0

Answer: 1 and 3 only

Explanation:

The structures of N2 and CO2 show both to be linear compounds from the images attached. In molecular nitrogen, the two nitrogen atoms are sp hybridized just as the two carbon atoms in CO2 are sp hybridized. sp hybridization is associated with linear shape because it leads to a bond angle of 180°. Hence the answer.

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I will mark brainlist if correct !! :) PLS HELPPP
Soloha48 [4]
<h2>Answer: Option B</h2>

Option A is incorrect. <u>Heated water cannot freeze.</u>

Option B is correct. <u>Heated water will evaporate.</u>

Option C is incorrect. <u>Heated water cannot create condensation.</u>

Option D is incorrect. <u>Water can't melt when heated unless it's been frozen beforehand. </u>

<u />

6 0
3 years ago
C. If 62.9 g of lead (II) chloride is produced, how many grams of lead (II) nitrate were
melomori [17]

Answer:

Mass = 76.176 g

Explanation:

Given data:

Mass of lead(II) chloride produced = 62.9 g

Mass of lead(II) nitrate used = ?

Solution:

Chemical equation:

Pb(NO₃)₂  +  2HCl     →     PbCl₂ + 2HNO₃

Number of moles of lead(II) chloride:

Number of moles = mass/molar mass

Number  of moles = 62.9 g/ 278.1 g/mol

Number of moles = 0.23 mol

Now we will compare the moles of lead(II) chloride with Pb(NO₃)₂ from balance chemical equation:

                            PbCl₂        :          Pb(NO₃)₂

                               1             :             1

                             0.23         :            0.23

Mass of Pb(NO₃)₂:

Mass = number of moles ×  molar mass

Mass = 0.23 mol × 331.2 g/mol

Mass = 76.176 g

8 0
3 years ago
What is the formula of calculating density?
Salsk061 [2.6K]

density = mass/volume

7 0
3 years ago
A 54-kg jogger is running at a rate of 3 m/s. What is the kinetic energy of the jogger
Phantasy [73]
Kinetic energy = 1/2mv²
where m = 54kg
and v =3m/s
k.e = 1/2×54×3×3
= 1/2×54×9
= 1/2×426
= 486÷2
= 243J
please mark as brainliest
4 0
3 years ago
What is the transport of O2 from the outside air to tissue cells and the transport of CO2 from tissue cells to the outside known
adelina 88 [10]

Answer:

Respiration process

Explanation:

Respiration is simply defined as the biochemical process where the body cells derive their energy from the combination of O₂ and food molecules, and in return liberates CO₂, along with some amount of H₂O and energy. This process elaborates on how the tissue cells help in shifting the O₂ from the exterior air into the cells and in return allows the CO₂ to be released outside.

This process is highly essential for an organism to survive. An organism cannot survive without carrying out this process.

3 0
3 years ago
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