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nirvana33 [79]
1 year ago
14

Louisa put a bowl of water and a bowl of sand in the sun. She put a thermometer in each bowl. Then she recorded the temperature

at the start and after 30 minutes. After 30 minutes, the sand had heated more than the water.
Louisa’s experiment proved that
Responses
A different materials absorb the same amount of heat
B sunlight heats liquids more than solids
C sunlight does pass through water
D different materials heat up at different rates
Chemistry
1 answer:
Helen [10]1 year ago
8 0

The experiment that was carried out by Louisa goes to show us that different materials heat up at different rates.

<h3>What is the specific heat capacity?</h3>

The term specific heat capacity just goes to show us the amount of heat that must be absorbed before the temperature of an object would rise by 1 K. In this case, we can see that we have been told that the after 30 minutes, the sand had heated more than the water. This simply implies that the energy that the sand and the water absorbed was able to increase the temperature of the sand mush more than it increased the temperature of the water.

Thus we can see that the heat capacity of the sand is much less than the heat capacity of the water since the sand could be able to be heated up much faster than the the water could be heated up.

Learn more about heat capacity:brainly.com/question/28302909

#SPJ1

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What is the molecular description of diffusion?
muminat
First, we must understand what diffusion is! Diffusion is the movement of particles from a high concentration to a lower concentration, in order to reach equilibrium. Cells in particular need this to maintain homeostasis, or an internal equilibrium (stability).

Do you mean molecular size or composition, perhaps? Bigger particles are harder to move than smaller molecules. Additionally, physical constitution of a particle will affect the rate of diffusion. Think of a mouse squeezing under a door as compared to a rock, of the same size. A mouse will more easily be able to squeeze through the gap

8 0
3 years ago
The value for Ψ in root tissue was found to be -3.3 bars. If you place the root tissue in a 0.1 M solution of sucrose at 20°C in
IRISSAK [1]

Answer:

1. Solute potential= -2.43 bars

2. Solution to root tissue

Explanation:

The solute potential is the potential or concentration gradient exerted by the solute in a solution.

The mathematical expression of the solute potential is

= -iRCT, where i= ionization of molecule

                         C- concentration of a molecule

                         R - pressure constant (0.0831)

                         T-  Temperature (kelvin)

According to the given question,

i=1 ( sucrose is non-polar)

R= 0.0831

T= 273+ 20= 293

C= 0.1

Putting the values in -iRCT

we will have solute potential = -2.43 bars (high water potential)

Since the potential in root tissue is -3.3 bars. (low water potential)

We know that water moves from high water potential to low water potential and the water will move from the solution to the root tissue that is from -2.43 bars to -3.3 bars

8 0
3 years ago
A/1 * B/C =D, You find yourself with 17 guilders (a gold coin) but you are planning on taking a trip to a country where the loca
Gemiola [76]

Exchange rate is 2 guilders for every 3 florins

The conversion factor will be

2 guilders / 3 florins = 3 florins / 2 guilders = 1

so if we wish to convert 17 guilders to florins we will use following conversion factor

3 florins / 2 guilders = B / C

D = 17guilders X 3 florins / 2 guilders = 25.5 florins

6 0
3 years ago
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a_sh-v [17]

Answer:

2

Explanation:

1 is definitely wrong

density must be lower to atop another liquid

in 3 ,I consider the example of water and oil whi has a lower boiling point

6 0
3 years ago
How many alcohols and ethers share the molecular formula c2h6o?
Nadya [2.5K]

Answer is: there are two compounds with molecular formula C₂H₆O, one alcohol and one ethar.

Alcohol with molecular formula C₂H₆O is ethanol or ethyl alcohol (C₂H₅OH).

Ethanol is a volatile, flammable, colorless liquid with characteristic odor.

Ether with molecular formula C₂H₆O is dimethyl ether (CH₃OCH₃).

Dimethyl ether is a colorless gas.

4 0
3 years ago
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