2 years ago

Plsss help me!!! ASAP!!!

Chemistry

1 answer:

Arisa [49]2 years ago

8 0

Answer:

I think the answer is D...

You might be interested in

________ properties depend on the amount of material present.

Kamila [148]

Answer: Extensive!

Explanation:

6 0

2 years ago

How many valence electrons can atoms of non metals have?

Dmitry_Shevchenko [17]

1 to 8 valence electrons

7 0

2 years ago

As an athlete exercises, sweat is produced and evaporated to help maintain a proper body temperature. On average, an athlete los

Stels [109]

Answer: 999851 Joules of energy is needed to evaporate the sweat that is produced

Explanation:

Latent heat of vaporization is the amount of heat required to convert 1 gram of liquid water to gaseous form at its boiling point.

Given: The heat of vaporization for water is 2257 J/g.

Thus if for 1 g , the heat required is = 2257 J

For 443 g , heat required is = $\frac{2257}{1}\times 443=999851J$

Thus 999851 Joules of energy is needed to evaporate the sweat that is produced

7 0

2 years ago

Sunglasses allow some light to pass through. Then that means sunglasses are _________________.

kodGreya [7K]

Answer:

B...

Explanation:

....just know I'm right

7 0

2 years ago

Read 2 more answers

ANSWER FAST AND WILL GIVE BRAINLIEST What is the pH of a 300mL solution of 2M NAOH?

Viefleur [7K]

explanation:

[NaOH] = 2M

NaOH(aq) <======> Na+(aq) + OH-(aq)

[OH-]=[NaOH]

[OH-] = 2M

From Kw = [OH-][H+]

But Kw = 10^-14 mol^2dm^-9

 [H+] = Kw / [OH-]

[H+] = 10^-14 ÷ 2M

[H+] = 5 × 10^-15

pH = -log[H+]

pH = -log 5 × 10^-15

pH = 14.3

5 0

2 years ago

Read 2 more answers