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
elena-s [515]
2 years ago
15

Help me answer this please

Chemistry
1 answer:
Vlad1618 [11]2 years ago
3 0
Its a scam dont press the link
You might be interested in
A geochemist in the field takes a 46.0 mL sample of water from a rock pool lined with crystals of a certain mineral compound X.
inysia [295]

Answer:

The solubility of the mineral compound X in the water sample is 0.0189 g/mL.

Explanation:

Step 1: Given data

The volume of water sample = 46.0 mL.

The weight of the mineral compound X after evaporation, drying, and washing = 0.87 g.

Step 2: Calculate the solubility of X in water

46.00 mL of water sample contains 0.87 g of the mineral compound X.

To calulate how many grams of the mineral compound  1.0 mL  of water sample contains:

0.87 g/46.0 mL = 0.0189 g.

This means the solubility of the mineral compound X in the water sample is 0.0189 g/mL.

3 0
3 years ago
Complete the following single replacement reaction. If they don’t react, just write “NR”
Kipish [7]

Here we have to complete the given single replacement reactions.

The replacement reactions are-

1) Fe (s) + CuCl₂ (aq) → FeCl₂ (aq) + Cu (s)

2) Cu (s) + FeCl₂ (aq) → NA

3) K (s) + NiBr₂ (aq) → NA

4) Ni (s) + KBr (aq) → NiBr₂ (aq) + K (s)

5) Zn (s) + Ca(NO₃)₂ (aq) → Zn(NO₃)₂ (aq)  + Ca (s)

6) Ca (s) + Zn(NO₃)₂ (aq) → NA

The replacement reactions can be explained in light of the redox potential.

The standard reduction potential of the half cells involved in these reactions are:

Fe²⁺ + 2e → Fe (E° = -0.441V); Cu²⁺ + 2e → Cu (E° = 0.674V)

Ni²⁺ + 2e → Ni (E° = -0.23V); Zn²⁺ + 2e → Zn (E° = -0.763V)

We know the half cell reactions in which the standard reduction potentials are positive are allowed.

1) The reaction is possible as Cu²⁺/Cu and Fe/Fe²⁺ standard reduction potentials are positive.

2) The reaction is not possible as Cu/Cu²⁺ and Fe²⁺/Fe standard reduction potentials are negative.

3) The reaction is not possible as Ni²⁺/Ni standard reduction potential is negative.

4) The reaction is possible as Ni/Ni²⁺ standard reduction potential is positive.

5) The reaction is possible as Zn/Zn²⁺ standard reduction potential is positive.

6) The reaction is possible as Zn²⁺/Zn standard reduction potential is negative.

4 0
2 years ago
A boy kicks a ball with a force of 40 N. At exactly the same moment, a gust of wind blows in the opposite direction of the kick
aliya0001 [1]
B, the opposing forces are the same, thus, the ball doesn't move back or forward.
8 0
3 years ago
Read 2 more answers
What is the first way in which biology researchers present the results of their latest research?
antoniya [11.8K]
Almost always, the first way in which biology researchers present the results of their latest research is to discuss the results of previous research that they want to build off of. 
5 0
3 years ago
You are at home in your air conditioned garage. You are planning a family road trip from New York to Florida. You are lnfating t
Ksenya-84 [330]
Hello!

According to the Charles' Law, the volume of a gas is proportional to temperature when pressure is constant. When going from New York to Florida, if the pressure is left constant the volume of the tires will increase.

The final volume of the tires can be calculated from the following equation, derived from Charles' Law:

V2= \frac{V1}{T1}*T2=\frac{10 L}{10degC}*32degC=32 L

Have a nice day!
3 0
3 years ago
Other questions:
  • Where are the most reactive nonmetal elements found on the periodic table?
    5·2 answers
  • Consider a hypothetical reaction in which a and b are reactants and c and d are products. if 25 grams of a completely reacts wit
    7·1 answer
  • What other means of qualitative analysis are used to identify metals
    9·2 answers
  • Conduction transfers thermal energy by____.
    13·2 answers
  • What is the oxidation state of each element in the species Mn(ClO4)3?
    5·2 answers
  • If 2.0 ml of 6.0m hcl is used to make a 500.0-ml aqueous solution, what is the molarity of the dilute solution?
    10·2 answers
  • How did the naacp use a legal strategy to oppose segregation?
    13·1 answer
  • Calculate the mass in grams, in 2.28 mol of H2SO4. Please show your work to receive credit.
    5·1 answer
  • The element tin has the following number of electrons per shell: 2, 8, 18, 18, 4. Notice that the number of electrons in the out
    5·1 answer
  • Balance the following reaction, which occurs in acidic solution.
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!