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3 years ago

What is the name of this molecule?

Chemistry

1 answer:

Fiesta28 [93]3 years ago

7 0

Butanoic acid (Butyric acid)

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What type of nuclear decay is shown by the reaction below?

pantera1 [17]

Answer:

B. Alpha

Explanation:

Alpha decays always split into an element and He.

Beta decays always split into an element and e- (eletrons).

Gamma decays always split into an element and radiation.

3 0

3 years ago

I know there are 4.5*10^-9 seconds in 4.5 nanoseconds, but when I enter it into my TI-30xIIs, I get 4.5*10^-10. I enter it as 4.

o-na [289]

Answer:

You are not using properly the function exponential in your calculator

Explanation:

When a number is too big or too small we use scientific notation. This is a number between 1 a 10 multiplied by a power of 10.

When you are writing 4.5*10^-9 you are actually writing 0.0000000045 in scientific notation.

When you enter this in the calculator you have to use the function EXP after the first two numbers.

Steps: 1) Enter 4.5

2) Enter EXP

3) Enter minus (-)

4) Enter 9

8 0

3 years ago

In water acids form ___.

UkoKoshka [18]

Answer:

Hydrogen ions

Explanation: acids will produce hydrogen ions, I asked my teacher. Please tell me if we are wrong.

6 0

3 years ago

Read 2 more answers

What is the ph of a solution labeled .30 trimethylamine k for trimethylamine is 7.42 x 10^4

valentina_108 [34]

Answer:the pH is 12

Explanation:

First We need to understand the structure of trimethylamine

Due to the grades of the bond in the nitrogen with a hybridization sp3 is 108° approximately, then is generated a dipole magnetic at the upper side of the nitrogen, this dipole magnetic going to attract a hydrogen molecule of the water making the water more alkaline

C3H9N+ H2O --> C3H9NH + OH-

$k=\frac{[C3H9NH]*[OH-]}{[C3H9N]}$

Then:

The concentration of the trimethylamine is 0.3 and the concentration of the ion C3H9NH is equal to the OH- relying on the stoichiometric equation. We could find the concentration of the OH- ion with the square root of the multiplication between k and the concentration of trimethylamine

[OH-]= $\sqrt{ 0.3*7.42x10^{-4}}$

[OH-]=0.01

pH=14-(-log[OH-])

pH=12

5 0

2 years ago

How did newton use creativity and logic in his approach to investigating light

fiasKO [112]

He used prisms to demonstrate how white light is in fact made

3 0

3 years ago

Read 2 more answers