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
VLD [36.1K]
3 years ago
10

Help me put them in the right spot ! I could brainlest you if it would let me

Chemistry
2 answers:
uranmaximum [27]3 years ago
7 0

Answer:

sorry i cant see the whole pic

Inga [223]3 years ago
7 0
Question 2:

Microscope is the first blank
Cells is the second
You might be interested in
The temperature of the gas
Gemiola [76]
77°F
77
I think
4 0
3 years ago
Benzoic acid is in the process of being recrystallized. Your lab partner is in a hurry and after the impure benzoic acid is diss
bazaltina [42]

Answer:

Impurities will be trapped in the crystals of the benzoic acid crystallized in this manner.

Explanation:

After benzoic acid is dissolved in hot water, it should have been allowed to cool gradually before it is transferred into an ice bath.

This gradual cooling will aid the separation of impurities so that when the vessel is now submerged in an ice bath, only pure benzoic acid is recrystalized.

If the vessel is immediately submerged into an ice bath, impurities will be trapped in the crystals of the benzoic acid.

6 0
4 years ago
Explain why a wooden spoon is a better choice than a metal spoon for stirring a boiling pot of soup
PtichkaEL [24]
A wooden spoon insulates itself and retains no heat, a mental spoon would retain heat, and probably burn your hand<span />
7 0
3 years ago
Determine the pHpH of an HFHF solution of each of the following concentrations. In which cases can you not make the simplifying
PIT_PIT [208]

The question is incomplete, complete question is :

Determine the pH of an HF solution of each of the following concentrations. In which cases can you not make the simplifying assumption that x is small? (K_a for HF is 6.8\times 10^{-4}.)

[HF] = 0.280 M

Express your answer to two decimal places.

Answer:

The pH of an 0.280 M HF solution is 1.87.

Explanation:3

Initial concentration if HF = c = 0.280 M

Dissociation constant of the HF = K_a=6.8\times 10^{-4}

HF\rightleftharpoons H^++F^-

Initially

c          0            0

At equilibrium :

(c-x)      x             x

The expression of disassociation constant is given as:

K_a=\frac{[H^+][F^-]}{[HF]}

K_a=\frac{x\times x}{(c-x)}

6.8\times 10^{-4}=\frac{x^2}{(0.280 M-x)}

Solving for x, we get:

x = 0.01346 M

So, the concentration of hydrogen ion at equilibrium is :

[H^+]=x=0.01346 M

The pH of the solution is ;

pH=-\log[H^+]=-\log[0.01346 M]=1.87

The pH of an 0.280 M HF solution is 1.87.

6 0
3 years ago
Which element is in the same period as chlorine (Cl) ?
ira [324]

Answer:

hydrogen , sodium,potassium

Explanation:

3 0
3 years ago
Other questions:
  • What is it called when energy is lost or removed?
    7·1 answer
  • Which statements are true of heterogeneous mixtures? Check all that apply.
    8·2 answers
  • Tartaric acid is the white, powdery substance that coats sour candies such as sour patch kids. combustion analysis of a 12.01-g
    13·1 answer
  • 6.
    8·1 answer
  • Predict the sign of ΔSsys for each process. Which are positive? A. A pond freezes in winter. B. Atmospheric CO2 dissolves in the
    14·1 answer
  • What.is the orbital notation of magnesium
    10·1 answer
  • HELP PLEASE
    9·2 answers
  • PLS HELP - How many moles are present in 3.01 x 1023 atoms of N2 (nitrogen gas) ?
    9·1 answer
  • Şekildeki açık uçlu manometre, Konya' da yapılan bir ölçümü göstermektedir. Bu manometre İzmir ‘de aynı sıcaklıkta, deniz seviye
    10·1 answer
  • MOLES AND MOLAR MASS
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!