Helppp please I will give a brain thing plleaseee

Chemistry

1 answer:

frez [133]2 years ago

5 0

Answer:

A. Crest
- The top of a wavelength is called a crest.

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2. Balance the equation below, and answer the following question: What volume of chlorine gas, measured at STP, is needed to com

Juliette [100K]

Balanced equation: 2Na(s) + Cl₂(g) ---> 2NaCl(s)

when we have STP conditions, we can use this conversion: 1 mol = 22.4 L

first, we have to convert grams to molecules using the molar mass, and then use mole to mole ratio from the balanced equation.

molar mass of Na= 23.0 g/mol
ratio: 2 mol Na= 1 mol Cl₂ (based on coefficients of balanced equation)

calculations:

$6.25 g Na ( \frac{1 mol Na}{23.0 g} ) ( \frac{1 mol Cl_2}{2 mol Na} ) ( \frac{22.4 L}{1 mol} )= 3.04 L$

8 0

2 years ago

open the phase diagram for co2 given in the introduction again. use the phase diagram for co2 in the interactive activity and de

Annette [7]

The phase diagram of CO2 has a melting curve that slopes up and to the right, in contrast to the phase diagram of water, which has a more conventional shape. It is impossible for liquid CO2 to exist at pressures lower than 5.11 atm because the triple point is 5.11 atm and 56.6 °C.

Due to the fact that ice is less thick than liquid water, the phase diagram of water has an odd melting point that drops with pressure. Carbon dioxide cannot exist as a liquid at atmospheric pressure, according to the phase diagram of the gas. Thus, gaseous carbon dioxide directly sublimes from solid carbon dioxide.

Learn more about solid carbon dioxide.

brainly.com/question/16894647

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10 months ago

Consider this reaction: HCO3− + H2S → H2CO3 + HS− Which is the Bronsted-Lowry base? H2S HCO3- HS– H2CO3

german

Answer:

hco3

Explanation: bc i said so

3 0

2 years ago

9.25 * 10^21 pennies if how many moles

Brrunno [24]

According to Avogadro constant 1 mole = 6.02 x 10^23 what about 9.25 x10 ^21

that is 1 mole x ( 9.25 x10 ^21) / (6.02 x10^23) = 0.0154 moles

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2 years ago

if a liquid is heated and the temperature at which it boils is measured, the ? property is being measured.

Serhud [2]

It would have to be physical property * if this helped you in anyway please be sure to leave a thanks:)

7 0

2 years ago