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
Zanzabum
3 years ago
11

What is the answers to these questions?

Chemistry
1 answer:
serious [3.7K]3 years ago
4 0

2. B

3. B

4. A

5. C

6. B

You might be interested in
Which of the following views of weather is an example of systems thinking
Luda [366]

Answer:

Explanation:

Climate

3 0
3 years ago
Positron emission of technetium-95
NNADVOKAT [17]
Idk it’s making me answer a question in order to get help on my own
5 0
3 years ago
The half-life of radium-226 is 1590 years. (a) A sample of radium-226 has a mass of 50 mg. Find a formula for the mass of the sa
Maksim231197 [3]

Answer:

Explanation:

a )

m = m₀ e^{-\lambda t

m is mass after time t . original mass is m₀ , λ is disintegration constant

λ = .693 / half life

= .693 / 1590

= .0004358

m = m₀ e^{- 0.0004358 t}

b )

m = 50 x e^{-.0004358\times 500}

= 40.21 mg .

c )

40 = 50 e^{-.0004358t

.8 = e^{-.0004358t

e^{.0004358t = 1.25

.0004358 t = .22314

t = 512 years .

4 0
3 years ago
When molten sulfur reacts with chlorine gas, a vile-smelling orange liquid forms that has an empirical formula of SCl. The struc
egoroff_w [7]

Answer:

The structure is shown below.

Explanation:

The formal charge (FC) is the charge that is more close to the actual charge in the real molecules and ions. It can be calculated based on the number of valence electrons (V), the shared electrons (S) and the electrons in the lone pairs (L) by the equation:

FC = V - (L + S/2)

Sulfur is in group 16 of the periodic table, so it has 6 valence electrons, and chlorine is from group 17 of the periodic table, and so it has 7 valence electrons. Chlorine can share only one electron, so it is stable. Sulfur can expand its octet (because it's from the third period) and can have more than 8 electrons when stable.

The possible formulas, from the empiric one, are:

SCl, S₂Cl₂, and S₃Cl₃.

To have FC = 0, chlorine must done only one bond, because S = 2, and L = 6, so:

FC = 7 - (6 + 2/2) = 0

So, it can not be the central atom of a structure. In the SCl, it will hav only a simple bond, so for sulfur, S = 2, and L = 4 (only the lone pairs are counted)

FC = 6 - (4+ 2/2) = +1

For S₂Cl₂, the two sulfurs must be bonded to a simple bond, and each one to one chlorine, thus, for both od them S = 4, and L = 4. so

FC = 6 - (4 + 4/2) = 0

So, it is the correct structure. The lewis structure represents the bonds by lines and the lone pairs of electrons by dots, and it is shown below.

3 0
3 years ago
Which of the following elements will form a positive ions? check all that apply
tamaranim1 [39]

we're the rest of the question

3 0
3 years ago
Other questions:
  • What is happening to the temperature/pressure during the Deposition Change of State?
    12·1 answer
  • The charge of single electron
    5·1 answer
  • Dehydration of 2-methyl-2-pentanol forms one major and one minor organic product. Draw the structures of the two organic product
    7·1 answer
  • whick of the following states of matter is characterized by having definite shape a)liquid b)gas c)solid d)plasma
    12·2 answers
  • Which of these is an example of a physical change?
    15·2 answers
  • What is ionization chemical bonds?
    14·1 answer
  • How many grams of oxygen are required to burn 3.01 x 10^23 propane molecules?
    12·1 answer
  • Alternative fuel sources such solar and wind energy are gaining popularity and replacing fossil fuels in many applications. Whil
    15·1 answer
  • 3. The speed of a reaction can be increased by increasing reactant concentration or decreasing
    7·2 answers
  • Potassium carbonate dissolves as follows:
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!