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Aleksandr-060686 [28]
3 years ago
13

Which compound most likely has Atoms Held together by ionic bonds?

Chemistry
1 answer:
astra-53 [7]3 years ago
5 0

Answer:

MgS Magnesium sulfide

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A sealed container of N2 gas has a pressure of 836 kPa at 54.7 ∘ C. After it is left out in the sun the pressure increases by 79
Anuta_ua [19.1K]
P1=836kPa
T1=54.7+273=327.7K
P2=836+79.9=915.9kPa
T2=?
T2=T1*P2/P1
=327.7*915.9/836
=359K=86 degree celsius
5 0
2 years ago
Xander claims that since the model of the atom has been changed so many times, that means it is a weak model. Willow claims that
uranmaximum [27]
Willow is right because the model of atom is not weak. The model of the atom has not changed. It’s just due to new discoveries due to which atom’s model is changing. The particles were always present in the atom but we were not able to discover it.
6 0
4 years ago
A solution of a compound with a known extinction coefficient of 23,100 M-1cm-1 has an absorbance of 0.735 in a 1.30cm path lengt
olya-2409 [2.1K]

Answer:

2.448 * 10^-5M

Explanation:

To calculate the concentration of the solution, we apply the Beer Lambert law equation.

That is A = £LC

Where £ represents the molar extinction coefficient.

We identify the values as follows:

A = absorbance = 0.735

L = cell length = 1.30

£ = 23100

c = concentration = ?

Rearranging the equation, c = A/£L

c = 0.735/(23,100 * 1.3)

c = 2.448 * 10^-5 M

3 0
4 years ago
The isotope sodium-20 has how many protons?
Anna007 [38]

Answer:11

Explanation:

4 0
4 years ago
Read 2 more answers
Different enzymes that catalyze the same reaction are known as _____.
maw [93]

Answer:

<em><u>Isozymes</u></em>

Explanation:

Isozymes are enzymes that differ in amino acid sequence but catalyze the same chemical reaction. These enzymes usually display different kinetic parameters, or different regulatory properties.

7 0
3 years ago
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