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Korolek [52]
3 years ago
5

The answer to this question

Chemistry
1 answer:
Ulleksa [173]3 years ago
7 0

Hey there!

Oxygen needs two bonds to have a valence orbital of s²p⁶.

In a hexanal molecule, oxygen has a double bond with one carbon atom.

A double bond is when two pairs of electrons are being shared.

So your answer is b. 2.

Hope this helps!  

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[07.03] what is the ph of a 6.40 × 10-3 m solution of sodium hydroxide, naoh?
Katena32 [7]
POH = - log [OH] 
<span>pOH = - log (6.40 × 10-3) </span>
<span>pOH = 2.19 </span>

<span>pH + pOH = 14 </span>

<span>pH = 14 - pOH </span>
<span>pH = 14 - 2.19 </span>
<span>pH = 11.8</span>
6 0
3 years ago
The temperature of a gas rose from 250K to 350K. At 350K, the volume of the gas was 3.0L. If the pressure did not change, what w
kompoz [17]
That would be (250/350 )* 3 = 2.143 liters to nearest thousandth
6 0
3 years ago
What is a negatively charged ion
dem82 [27]

an electrically charged atom or group of atoms formed by the loss or gain of one or more electrons, as a cation (positive ion) , which is created by electron loss and is attracted to the cathode in electrolysis, or as an anion (negative ion) , which is created by an electron gain and is attracted to the anode.

7 0
3 years ago
1. Calculate the molar mass of sucrose (C12 H11 O22)?
ohaa [14]

Answer:

=342g

Explanation:

atomic mass of C = 12g

atomic mass of H =  1g

atomic mass of O = 16g

Solution;

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= 12 (12) + 22 (1) + 11(16)

= 144+ 22 + 176

= 342g

4 0
2 years ago
A sample of water (88 grams) had a temperature change of 6.0 ℃. What was the heat change of this sample? (q = m c ΔT, c = 4.18 J
jeka94

Answer:

Q=2209J

Explanation:

Hello!

In this case, since the heat involved during a heating process is computed in terms of mass, specific heat and temperature change as shown below:

Q=mC\Delta T

Thus, since the heated mass of water was 88 g, the specific heat of water is 4.184 J/g°C and the temperature change is 6.0 °C, we can compute the heat as shown below:

Q=88g*4.184\frac{J}{g\°C}*6.0\°C \\\\Q=2209J

Best regards!

7 0
2 years ago
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