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Lemur [1.5K]
3 years ago
9

Objects with higher temperatures:________________.1. emit only shortwave radiation. 2. emit most of their energy in the form of

longwave energy. 3. radiate less total energy than cooler objects radiate. 4. emit more shortwave radiation than cooler objects do.
Chemistry
1 answer:
Gnom [1K]3 years ago
3 0
4. Emit more shortwave radiation than cooler objects do
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Select the correct hybridization for the central atom based on the electron geometry cocl2 (carbon is the central atom).
Rainbow [258]
In this compound (Phosgene) the central atom (carbon is Sp² Hybridized).

Sp, Sp² and Sp³ can be calculated very simply by doing three steps, 

Step 1:
           Assume triple bond and double bond as one bond and assign s or p to it. In this example carbon double bond oxygen is considered once and let suppose it is s. Now we are having our s.

Step 2:
          Count lone pair of electron, each lone pair counts for s and p. In this case there is no lone pair of electron on carbon, so not included.

Step 3:
          Count single bonds for s and p. As we have already assigned s to the double bond, now one p for one single bond, and other p for the other single bond.

Result:
          So, we counted 1 s for double bond, 1 p for one single and other p for second single bond. As a whole we got,

                                                       Sp²

Practice:
You can practice for hybridization of Oxygen in this molecule. Oxygen has 2 lone pair of electrons. (Hint: Sp² Hybridization)
7 0
3 years ago
Which of the following bonds is least reactive?<br><br> C—C<br> H—H<br> O—H<br> H—Cl
valentinak56 [21]
The correct option is H - H
Compare to other type of bonds given above, the hydrogen to hydrogen bond is very unreactive. This is because the bond is very stable. Each of the hydrogen atom in the bond donate their single electron to form a covalent bond, which is quite stable.
8 0
3 years ago
Read 2 more answers
If you wanted to completely react 150 grams of FeBry, how many moles of sulfuric acid (H,SO) will you need to use?​
Vedmedyk [2.9K]

Answer:

Sulfuric acid, spent appears as a black oily liquid. Corrosive to metals and tissue. Density 15 lb /gal.

Explanation:

5 0
3 years ago
Using the determined equivalence point from question 2 and the balanced reaction of acetic acid and sodium hydroxide, calculate
goldenfox [79]

Answer:

Molarity of the packet is 0.5M

Explanation:

In the reaction of acetic acid with NaOH:

CH₃COOH + NaOH → CH₃COO⁻ + H₂O + Na⁺

<em>1 mole of acetic acid reacts with 1 mole of NaOH.</em>

<em />

When you are titrating the acid with NaOH, you reach equivalence point when moles of acid = moles of NaOH.

Moles of NaOH are:

3.0mL = 3.0x10⁻³L ₓ (0.1 mol / L) =<em> 3.0x10⁻⁴ moles</em> of NaOH = moles of CH₃COOH.

Now, you find the moles of acetic acid in the hot sauce packet. But molarity is the ratio between moles of the acid and liters of solution.

As you don't know the volume of your packet, <em>you can assume its density as 1g/mL. </em>Thus, volume of 0.6g of hot sauce is 0.6mL = 6x10⁻⁴L.

And molarity of the packet is:

3.0x10⁻⁴ moles acetic acid / 6x10⁻⁴L =

<h3>0.5M</h3>
6 0
3 years ago
When KNO3 dissolved in water, what is the intermolecular
tangare [24]

Answer:Ion-dipole

Explanation:

5 0
3 years ago
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