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
Marrrta [24]
2 years ago
6

How does light get through the lenses of eyeglasses and to the eyes?

Chemistry
1 answer:
sleet_krkn [62]2 years ago
4 0
Transmission is the answer
You might be interested in
Suppose you need to prepare 136.9 mL of a 0.315 M aqueous solution of NaCl.
Varvara68 [4.7K]

Answer:

2.52 g NaCl

Explanation:

(Step 1)

To find the mass, you first need to find the moles NaCl. This value can be found using the molarity ratio:

Molarity = moles / volume (L)

After you convert mL to L, you can plug the given values into the equation and simplify to find moles.

136.9 mL / 1,000 = 0.1369 L

Molarity = moles / volume

0.315 M = moles / 0.1369 L

0.0431 = moles

(Step 2)

Now, you can use the molar mass to convert moles to grams.

Molar Mass (NaCl): 22.990 g/mol + 35.453 g/mol

Molar Mass (NaCl): 58.443 g/mol

0.0431 moles NaCl           58.443 g
------------------------------  x  -------------------  =  2.52 g NaCl
                                            1 mole

4 0
2 years ago
What is the number of electrons in oxygen
Semmy [17]
Answer for your question is;

2,6 = 8
The first shell is 2 electrons the other shell is 6 electrons
6 0
2 years ago
Read 2 more answers
For the reaction 2A(g) â B(g), the equilibrium constant is Kp = 0.76. A reaction mixture initially contains 4.0 atm of gas (PA =
timofeeve [1]

Answer: (a) The reaction mixture will proceed toward products.

Explanation:

Equilibrium constant is defined as the ratio of pressure of products to the pressure of reactants each raised to the power their stoichiometric ratios. It is expressed as K_p

K is the constant of a certain reaction when it is in equilibrium, while Q is the quotient of activities of products and reactants at any stage other than equilibrium of a reaction.

For the given chemical reaction:

2A(g)\rightleftharpoons B(g)

The expression for Q_p is written as:

Q_p=\frac{p_B}{(p_A)^2}

Q_p=\frac{(2.0)}{(2.0)^2}

Q_p=0.5

K_p=0.76

Thus as K_p>Q_p , the reaction will shift towards the right i.e. towards the product side.

7 0
3 years ago
What is difference between ∆H and ∆H°
Elena-2011 [213]

If it is shown as ∆H , then it means that a specific chemical reaction is undergoing heat in Kelvin(K). If it is shown as ∆H° , then it means that a specific chemical reaction is undergoing heat in Celsius(C⁰).

Hope this is the answer you are looking for mate!

If it is correct then please mark my answer as the brailiest! :)

5 0
3 years ago
I need help on this organic chemistry question:
Dvinal [7]
Selfmade.ivyy hope this help
7 0
3 years ago
Other questions:
  • Find density of nitrogen dioxide at 75*C and 0.805 atm.
    7·1 answer
  • When two forces acting on an object are equal, they are
    7·1 answer
  • Shiloh wanted to observe the changes that occurred during an exothermic reaction. He monitored the changes and placed them in a
    12·1 answer
  • What do you know about Relative Dating
    13·1 answer
  • What results electrons into having light produced by neon gas?
    12·1 answer
  • Write the net ionic equation for the precipitation reaction that occurs when aqueous solutions of potassium hydroxide and nickel
    7·1 answer
  • 5. Which of the following characteristics in a chemical reaction indicates
    15·1 answer
  • If 2.5 moles of H2O are needed to be produced, how much H2 will be needed?
    10·1 answer
  • I'm not sure what the answer is
    8·1 answer
  • Select the correct answer. An adult human lung has a volume of 2. 9 liters. If its volume decreases to 1. 2 liters and it contai
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!