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cestrela7 [59]
3 years ago
12

A chemist is doing research to find a better way to process natural gas after it is removed from the ground. Which branch of che

mistry best describes this chemist's work?
A: organic chemistry
B: inorganic chemistry
C: biochemistry
D: physical chemistry
Chemistry
2 answers:
olasank [31]3 years ago
8 0
B: inorganic chemistry
Delvig [45]3 years ago
7 0

Answer:

The branch of chemistry that best describes the chemist´s work is organic chemestry

Explanation:

The chemist wants to improve the process for natural gas, a mix of organic compuond, mainly alcans.

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If the pKa value for a given acid is low, what does that say about the acid (is it weak or strong)?
Dmitry [639]

Answer:

If the pKa of the acid is low (negative), then the acid is strong.

Explanation:

Ka, <em>the acid ionization constant,  </em>measures the strength of an acid in a solution. Stronger acids have higher Ka values.

We defined: pKa = -log[Ka]

This function is a decreasing function, meaning that pKa will be getting smaller and smaller,  while increasing Ka (high values of Ka will have negative pKa values). Therefore, stronger acids (high values of Ka), will have low (negative) pKa values.

3 0
3 years ago
MARKING BRAINLIEST! please help asap, i need a and b, thank you
defon

The time required to reduce the concentration from 0.00757 M to 0.00180 M is equal to 1.52 × 10⁻⁴ s. The half-life period of the reaction is 9.98× 10⁻⁵s.

<h3>What is the rate of reaction?</h3>

The rate of reaction is described as the speed at which reactants are converted into products. A catalyst increases the rate of the reaction without going under any change in the chemical reaction.

Given the initial concentration of the reactant, C₀= 0.00757 M

The concentration of reactant after time t is C₁= 0.00180 M

The rate constant of the reaction, k = 37.9 M⁻¹s⁻¹

For the first-order reaction: C_t =C_0-kt

0.00180 = 0.00757 - (37.9) t

t =  1.52 × 10⁻⁴ s

The half-life period of the reaction: t_{\frac{1}{2} } =\frac{C_0}{2k}

t_{\frac{1}{2} } =\frac{0.00757}{2\times 37.9}

Half-life of the reaction = 9.98 × 10⁻⁵s

Learn more about the rate of reaction, here:

brainly.com/question/13571877

#SPJ1

5 0
1 year ago
Anyone good at chemistry ? Maybe you can help me out?
olga55 [171]
I'm good at chemistry for some advice just message me here or roblox my username is rightchem7 .
4 0
3 years ago
The _______ geometry of a water molecule is tetrahedral even though the molecular geometry is bent
IRINA_888 [86]

The electron geometry of a water molecule is tetrahedral even though the molecular geometry is bent.

As water molecule hybridisation is sp³ that provides it a electron geometry tetrahedral but due to presence of 2 lone pairs and 2 bond pairs its molecular geometry is bent.

The hybridisation sp³ makes  electron geometry of a water molecule tetrahedral but the presence of 2 lone pairs makes its  molecular geometry bent

6 0
3 years ago
Read 2 more answers
Answer the ones please get right
Natali [406]

Answer:

Hope this helps!

Explanation:

I would help you, but I won't. Because you take others people points without helping them and but random words. So, since you are doing that I won't be helping you <3. Thanks for the points idiot.

6 0
3 years ago
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