1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
aalyn [17]
2 years ago
12

Which one of the following is not an agent of chemical weathering?

Chemistry
1 answer:
irakobra [83]2 years ago
7 0

Answer:

its proprionic acid which do not cause any hazardous effect on environment it only effect internal body of human if it is ingested.

Explanation:

You might be interested in
Convert 533 cm/s to units of meters per minute. Show the unit analysis by dragging the conversion factors into the unit‑factor s
lukranit [14]

Answer:

319.8 m/min

Explanation:

533 cm/s

We can convert 533 cm/s to m/min by doing the following:

First, we shall convert 533 cm/s to m/s. This can be obtained as illustrated below:

Recall:

100 cm/s = 1 m/s

Therefore,

533 cm/s = 533 cm/s /100 cm/s × 1 m/s

533 cm/s = 5.33 m/s

Finally, we shall convert 5.33 m/s to m/min. This can be obtained as follow:

1 m/s = 60 m/min

Therefore,

5.33 m/s = 5.33 m/s / 1 m/s × 60 m/min

5.33 m/s = 319.8 m/min

Therefore, 533 cm/s is equivalent to 319.8 m/min

8 0
3 years ago
The Ka for formic acid (HCO2H) is 1.8 × 10-4. What is the pH of a 0.35 M aqueous solution of sodium formate (NaHCO2)?
anzhelika [568]

Answer:

9.36

Explanation:

Sodium formate is the conjugate base of formic acid.

Also,

K_a\times K_b=K_w

K_b for sodium formate is K_b=\frac {K_w}{K_a}

Given that:

K_a of formic acid = 1.8\times 10^{-4}

And, K_w=10^{-14}

So,

K_b=\frac {10^{-14}}{1.8\times 10^{-4}}

K_b=5.5556\times 10^{-11}

Concentration = 0.35 M

HCOONa    ⇒     Na⁺ +    HCOO⁻

Consider the ICE take for the formate  ion as:

                                   HCOO⁻ + H₂O   ⇄   HCOOH + OH⁻

At t=0                              0.35                            -              -

At t =equilibrium           (0.35-x)                          x           x            

The expression for dissociation constant of sodium formate is:

K_{b}=\frac {[OH^-][HCOOH]}{[HCOO^-]}

5.5556\times 10^{-11}=\frac {x^2}{0.35-x}

Solving for x, we get:

x = 0.44×10⁻⁵  M

pOH = -log[OH⁻] = -log(0.44×10⁻⁵) = 4.64

pH + pOH = 14

So,

<u>pH = 14 - 4.64 = 9.36</u>

5 0
3 years ago
. Which type of energy is involved in the operation of simple machines?
quester [9]
Input an output  energy
4 0
3 years ago
Are they all correct?
Degger [83]

Answer:yes

Explanation:

7 0
3 years ago
Read 2 more answers
A household cleaner has a pH around 10. It would be considered
anyanavicka [17]

Answer:

an acid

Explanation:

A household cleaner has a pH around 10. It would be considered. a base. an acid. neutral. a liquid.

4 0
3 years ago
Read 2 more answers
Other questions:
  • If he(g) has an average kinetic energy of 8750 j/mol under certain conditions, what is the root mean square speed of cl2(g) mole
    15·2 answers
  • um bequer muito utilizado em laboratorio mede volumes de ate 250 ml.determine esse volume em: a)centimetros cubicos b)litros c)m
    15·1 answer
  • How many moles are in 2.04 × 1024 molecules of h2o?
    14·1 answer
  • Which statement about the self-ionization of water is correct?
    6·1 answer
  • Need help :)….please
    12·1 answer
  • Calculate the pH of a 0.09 M solution of HBr​
    12·1 answer
  • Explain why photosynthesis and cellular respiration are the “real circle of life”
    7·1 answer
  • What are the procedures for performing an acid property test
    8·1 answer
  • Soo Hwan found a flowering plant at school and used a classification key to help him classify the plant. The flowers of the plan
    12·1 answer
  • If liquid water ___ energy it will become ice
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!