Diagram how a solids molecular structure is different from a liquids molecular structure
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Pretty much, for solids draw the molecules close together and rigid, for liquids, the molecules are spaced apart a little and not all lined up
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Also please answer questions properly, and not be rude.
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Wind is the horizontal movement of air from an area of high pressure to an area of low pressure.
Winds are caused by differences in air pressure.
These differences are caused by the uneven heating of the Earth’s surface.
Winds are named by their direction (where they originate from) and speed.
Wind speed is measured by an anemometer.
v Local Winds: winds that blow over short distances-caused by the uneven heating of Earth’s surface within a small area. They form only when large-scale winds are weak.
Ø Sea Breeze: a local wind that blows from an ocean or a lake.
§ Occurs because land heats up faster than water – The warm air expands creating an area of low pressure over the land, so the cooler more dense air moves toward the low-pressure land area.
Ø Land Breeze: a local wind that blows from the land toward water
§ Occurs because land cools faster than water – The low pressure (less dense) air is now over the water. The warm less dense air rises so the cooler air from the land moves toward that low pressure area by the water.
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Mass of water: 43 g
Explanation:
When a substance is heated, the temperature of the susbtance increases according to the equation:
where
Q is the amount of heat supplied to the substance
m is the mass of the substance
C is the specific heat capacity of the substance
is the increase in temperature
In this problem, we have:
Q = 4300 J is the heat absorbed by the water
C = 4200 J/gC is the specific heat capacity of water
is the increase in temperature
By re-arranging the equation, we can find the mass:
Learn more about specific heat:
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Final answer:
The mass of the water sample can be calculated using the formula for heat absorption: Q = mcΔT.
Given that the water sample absorbed 4300 joules of heat and the temperature increased from 15°C to 39°C, the mass of the water sample is approximately 43.03 grams.
Explanation:
This physics problem can be solved by using the formula for heat absorption:
Q = mcΔT,
where Q is the heat absorbed (in joules), m is mass (in grams), ΔT is the change in temperature (in °C) and c is the specific heat capacity. For water, c is 4.186 joules/gram°C.
The change in temperature (ΔT) of the water sample is the final temperature (39°C) minus the initial temperature (15°C), which equals 24°C.
Using the given value for Q (4300 joules), we rearrange the formula to calculate m (mass):
m = Q / (cΔT) = 4300 / (4.186*24) ≈ 43.03 grams.
Thus, the mass of the water sample is approximately 43.03 grams.
Learn more about Heat Absorption here:
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Answer:
No because hydrogen chloride is gas and hydrochloric acid is (as stated in the name) an acid. The formula for hydrogen chloride is HCI(g), the little g states that the compound is a gas and the formula for hydrochloric acid is HCl(aq) and the little aq means aqueous.
Answer:
no. they are not the same
Explanation: Although, they both do have the same chemical formula HCL, they differ in their states of matter. Hydrogen chloride is a gas whereas hydrochloric acid is a solution of hydrogen chloride gas and water( creates an aquaeous solution). Hydrochloric acid is highly corrossive.
B.Flammability
C.Density
D.Solubility