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
emmainna [20.7K]
3 years ago
13

1. List the seasons from longest to shortest, including the number of days in each season.

Chemistry
1 answer:
GenaCL600 [577]3 years ago
4 0
Search it up bro it’s on the internet lol
You might be interested in
The lung capacity of the blue whale is 4900 L . Convert this volume into gallons
adell [148]
1 liter = 2.11 pints
8 pints = 1 gallon

4900 L * (2.11 pints/1 L) * (1 gallon/8 pints) = 1292.375 gallons

4900 has 2 significant figures, so our final answer should have two. Your final answer is 1300 gallons.
8 0
3 years ago
Read 2 more answers
What is the difinition of the word democracy?​
N76 [4]
A system of government by the whole population or all the eligible members of a state, typically through elected representatives.
"a system of parliamentary democracy"

a state governed under a system of democracy.
plural noun: democracies
"a multiparty democracy"
control of an organization or group by the majority of its members.
"the intended extension of industrial democracy"
6 0
2 years ago
Read 2 more answers
A ground state hydrogen atom absorbs a photon of light having a wavelength of 92.05 nm. It then gives off a photon having a wave
vodka [1.7K]
Absorbed photon energy
Ea = hc/λ.. (Planck's equation)
Ea = hc / 92.05^-9m 

<span>Energy emitted
Ee = hc/ 1736^-9m </span>

Energy retained ..
∆E = Ea - Ee = hc(1/92.05<span>^-9 - 1/1736^-9) </span>
<span>∆E = (6.625^-34)(3.0^8) (1.028^7)
∆E = 2.04^-18 J </span>

<span>Converting J to eV (1.60^-19 J/eV)
 ∆E = 2.04^-18 / 1.60^-19
∆E = 12.70 eV </span>

<span>Ground state (n=1) energy for Hydrogen = - 13.60eV </span>

<span>New energy state = (-13.60 + 12.70)eV = -0.85 eV </span>

<span>Energy states for Hydrogen
En = - (13.60 / n²) </span>

n² = -13.60 / -0.85 = 16
n = 4
4 0
3 years ago
Which describes how technology has changed society?
Anton [14]

Answer:

B. People live longer than they used to

Explanation:

None of the other answers are correct.

7 0
3 years ago
What is the maximum amount of CO2
Wittaler [7]

Answer:

10.6 g CO₂

Explanation:

You have not been given a limiting reagent. Therefore, to find the maximum amount of CO₂, you need to convert the masses of both reactants to CO₂. The smaller amount of CO₂ produced will be the accurate amount. This is because that amount is all the corresponding reactant can produce before it runs out.

To find the mass of CO₂, you need to (1) convert grams C₂H₂/O₂ to moles (via molar mass), then (2) convert moles C₂H₂/O₂ to moles CO₂ (via mole-to-mole ratio from reaction coefficients), and then (3) convert moles CO₂ to grams (via molar mass). *I had to guess the chemical reaction because the reaction coefficients are necessary in calculating the mass of CO₂.*

C₂H₂ + O₂ ----> 2 CO₂ + H₂

9.31 g C₂H₂            1 mole               2 moles CO₂          44.0095 g
------------------  x  -------------------  x  ----------------------  x  -------------------  =
                            26.0373 g           1 mole C₂H₂              1 mole

=  31.5 g CO₂

3.8 g O₂             1 mole               2 moles CO₂          44.0095 g
-------------  x  --------------------  x  ----------------------  x  --------------------  =
                       31.9988 g              1 mole O₂                 1 mole

=  10.6 g CO₂

10.6 g CO₂ is the maximum amount of CO₂ that can be produced. In other words, the entire 3.8 g O₂ will be used up in the reaction before all of the 9.31 g C₂H₂ will be used.

8 0
2 years ago
Other questions:
  • Enter the chemical equation 2H+(aq)+S2−(aq)→H2S(g). Express your answer as a chemical equation.
    5·2 answers
  • The percentage of Chlorine in the sample
    14·1 answer
  • A student increases the temperature of a balloon from 278 K to 231 K. Assuming constant pressure, what should the new volume of
    11·1 answer
  • _____is a form of energy that will operate appliances or produce light to heat
    10·1 answer
  • How would you find how many unpaired electrons are in a compound? Ex. unpaired electrons in aluminum in aluminum II oxide.
    12·1 answer
  • the elements fluorine,chlorine,bromine,and iodine are all found in the same group on the table. these elements are grouped toget
    7·2 answers
  • 20 grams of H₂S react with 20 grams of O₂. What is the limiting reagent? *
    13·1 answer
  • What is chemical potential energy?
    8·1 answer
  • Mount Rushmore national memory in South Dakota was carved out of grantie that formed from cooled magma what type of rock matches
    14·1 answer
  • 2. What states of matter exist within the human body? What state of matter do you think your body is mostly made up of? Why? (4
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!