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
irakobra [83]
3 years ago
11

Why does summer receive more daylight hours than winter

Chemistry
2 answers:
Dmitry [639]3 years ago
8 0
Bc the time changes that is the answer hoped i helped

leva [86]3 years ago
7 0
Because the orbit of the earth is tilted away from the sun during summer

You might be interested in
Why is argon used in a light bulb? using the terms of the electronic structure of an argon atom.
AVprozaik [17]
 The property of a filament of argon which lasts for a long time than air because argon is inert and will not oxidize the filament even at high temperatures is the key reason why argon is used in light bulbs compared to air which reacts quickly in  the atmosphere.
3 0
3 years ago
If there is 25.0 L of gas at a temperature of 350C what is the temperature if the volume increases to 75.0L?
Zielflug [23.3K]

Answer:

The new temperature is 1596 C.

Explanation:

Charles's Law indicates that for a given sum of gas at constant pressure, as the temperature increases, the volume of the gas increases, and as the temperature decreases, the volume of the gas decreases.

Statistically, Charles's law is a law that says that when the amount of gas and pressure are kept constant, the ratio that exists between the volume and the temperature will always have the same value:

\frac{V}{T}=k

Being an initial state 1 and a final state 2, it is fulfilled:

\frac{V1}{T1}=\frac{V2}{T2}

In this case:

  • V1= 25 L
  • T1= 350 C= 623 K (being 0 C= 273 K)
  • V2= 75 L
  • T2= ?

Replacing:

\frac{25 L}{623 K} =\frac{75 L}{T2}

Solving:

T2*\frac{25 L}{623 K} =75 L

T2=75 L*\frac{623 K}{25 L}

T2= 1869 K= 1596 C

<u><em>The new temperature is 1596 C.</em></u>

4 0
3 years ago
Need help with question please ..<br> -20 points
san4es73 [151]

Answer:

B oklolol

[tex]\purple{\rule{45pt}{7pt}}\purple{\rule{45pt}{999999pt}}[tex]

8 0
3 years ago
Ethanol is a common laboratory solvent and has a density of 0.789 g/ml. What is the mass, in grams, of 125 ml of ethanol?
olga55 [171]

The density of a material is its unique property by which a unknown material can be identified and also the impurity (if present) in a material can be concluded. Mathematically the density can be expressed as-\frac{mass}{volume}. Thus from the mathematical expression we can say that the density is the mass per unit volume of a material. Here the density of ethanol is given 0.789 g/mL. Thus the weight of the 1 mL ethanol is 0.789g. Thus the weight of the 125 mL of ethanol will be (125×0.789) = 98.625 g.

3 0
4 years ago
Will medal!!!
hjlf
Δ H reaction = q / n where q: amount of heat released and n is number of moles of substance.
q = m . C . ΔT where:
m = mass of substance (g)
C = Specific heat capacity (4.18)
ΔT = change in temperature = 24.25 - 23.16 = 1.09
q = 1000 x 4.18 x 1.09 = 4556 J = 4.556 kJ
number of moles (n) = Molarity (M) x Volume (L)
                                 = 0.185 M x 0.07 L = 0.01295 mole
Δ H = q / n = - (4.556 kJ / 0.01295 mole) = -351.8 kJ / mol
Note: it is exothermic reaction (-ve sign)  i.e. temperature is raised

5 0
4 years ago
Other questions:
  • What color would the methyl orange indicator turn in a solution with a pH of 2?
    8·1 answer
  • What makes an atom neutral
    5·1 answer
  • What is the atomic number of 232Th
    10·1 answer
  • A container of carbon dioxide (CO2) has an initial temperature of 170 K with a pressure of 50 kPa. When the container is heated
    7·1 answer
  • The total concentration of ions in a 0.75 M solution of HCl is
    15·1 answer
  • What is a no polar covalent bond?
    11·1 answer
  • A reaction is first order with respect to reactant A and second order with respect to reactant B. Starting with [A] = 0.175 M an
    5·1 answer
  • The large holes that can form in Limestone eventually lead to the formation of caves and caverns.
    6·1 answer
  • What is defined as the basic unit in the metric system that describes a quality?
    6·1 answer
  • if 14.0 g of aluminium reacts with excess sulfuric acid to produce 75.26 g of aluminium sulfate, what is the percent yield?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!