2 years ago

How many rays are needed to be

Chemistry

1 answer:

ollegr [7]2 years ago

8 0

Answer:

two

Explanation:

Every observer would observe the same image location and every light ray would follow the law of reflection. Yet only two of these rays would be needed to determine the image location since it only requires two rays to find the intersection point.

pls name braainly :)

You might be interested in

HC2H3O2 (aq) + H2O (l) ⇔ C2H3O2- (aq) + H3O+ (aq) Ka = 1.8 x 10-5

marin [14]

The concentration of [H3O⁺]=2.86 x 10⁻⁶ M

<h3>Further explanation</h3>

In general, the weak acid ionization reaction

HA (aq) ---> H⁺ (aq) + A⁻ (aq)

Ka's value

$\large {\boxed {\bold {Ka \: = \: \frac {[H ^ +] [A ^ -]} {[HA]}}}}$

Reaction

HC₂H₃O₂ (aq) + H₂O (l) ⇔ (aq) + H₃O⁺ (aq) Ka = 1.8 x 10⁻⁵

$\tt Ka=\dfrac{[C_2H_3O^{2-}[H_3O^+]]}{[HC_2H_3O_2]}}\\\\1.8\times 10^{-5}=\dfrac{0.22\times [H_3O^+]}{0.035}$

[H₃O⁺]=2.86 x 10⁻⁶ M

5 0

3 years ago

How many grams of O are in 675 g of Na2O

PIT_PIT [208]

I think it is .00005815

6 0

3 years ago

Please Define what an “atom” is

Lostsunrise [7]

Answer:

the smallest particle of a chemical element that can exist.

Explanation:

3 0

3 years ago

A cell divides to form two cells during a process called

bulgar [2K]

I believe its called mitosis. Mitosis is a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth. Hope this helps:)

7 0

3 years ago

Read 2 more answers

How do I identify polar bonds?

pantera1 [17]

Identify<span> each </span>bond<span> as either </span>polar<span> or nonpolar.</span>

7 0

3 years ago

Read 2 more answers