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To raise the temperature of both an equal amount, water would require more energy.
In terms of the energy required to raise the temperature:
iron = 0.45 joules / gram . kelvin
water = 4.2 joules / gram . kelvin
This is known as the specific heat capacity of a material
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What objects sink in the water?
Those objects that have a greater density than water will sink in the water. This comes from Archimedes' principle which states that a floating object displaces an amount of water equal to the weight of the object. If the object has a greater density than the water, then it would displace more water than is possible by its volume, so it sinks.
Would you expect the the pressure exerted by water to be greater or less than the pressure exerted by the same amount of air?
water is more dense than air and it has atmospheric pressure also pushing down on it to make it have greater pressure than air.
Predict whether a greater amount of energy will be trans ferred as heat between 1 kg of water at 10C and a freezer at -15C or between 1kg of water at 60C and an oven at 65C?
The formula for determining the amount of heat energy is q = m x C x ΔT, where q = amount of heat energy gained or lost by a substance, m = mass of substance in grams, C = heat capacity (J/g •oC), and ΔT is the change in temperature. If all other variables are the same, then the greatest change in temperature will cause the greatest amount of energy gained or lost. The water that went from 10oC to -15oC had the greatest change in temperature and the greatest change in energy.
What would a products specific gravity be for it to sink in water?
Anything greater than ' 1 '.
If the efficiency of a machine increases what would occur?
Then the machine would have a greater output power, or alternately, require less input power.
1 kilogram of water is heated together with 1 kilogram of iron.Which would require greater amount of heat and why?
Iron would require a higher amount of heat due to the fact that it is a metal and has stronger bonds than water does. Water is made up of hydrogen bonds which allow it to heat up quickly.
What would expect to happen to a sidewalk over the course of years when rainwater continues to soak in to concrete and freeze?
If water is allowed to get into a concrete sidewalk and not allowed to drain and it freezes, the expansion of the water/ice as it crystallizes causes the concrete to crack. If more water settles in the crack and freezes, the crack gets bigger. Each year the increase in the size of the crack is greater because a greater amount of water can fit in the crack, and a greater amount of water has a greater amount of expansion when it freezes.
Which is present in sea water in greater amount between sodium chloride and calsium?
I would say sodium chloride as it is also known as salt-water, calcium is found in chalky cliffs "white cliffs of dover", so near there may be a high amount but sodium chloride would be in greater amounts in the majority of sea water
Which type of soil would allow rainwater to reach the well faster and in greater amount?
Glacial till (sandy, gravelly) would allow rain water to reach a well faster and in greater quantities.
Would expect pressure exerted by water to be greater or less than the pressure exerted by the same amount of mercury?
if you were to immerse yourself under a meter of mercury the pressure experienced would be greater than if you were to immerse yourself under a meter of water.
What would happen to relative humidity in the room if the air conditioner turned on?
If the water vapor amount stayed the same, then the relative humidity would be greater.
Can plywood float?
It depends on theplywood density if it is denser then water then you would have to make a shape causing it to displace an equal or greater amount of water in weight for it to float.
Which material would require the least amount of energy to change 1kg from a solid to a liquid ethanol aluminum propane or water?
ethanol
What if Great Plains received greater than average amount of rainfall in one year?
I believe that if Great Plains received greater than average amount of rainfall one year,the people who live there would have more water than ever.The only problem is that there would be flooded.
Remove water from gas tank?
A small amount of water such as a couple ounces could be treated with a dose of dry gas with each next few fill ups. A larger amount of water would require removal of the fuel tank to get it all out.
When will a ball filling with water sink?
The ball will sink when the weight of the water inside the ball plus the weight of the ball is greater than the weight of the amount of water that would fit inside the ball.
Air weighs less than water would you expect the pressure exerted by water to be greater or less than the pressure exerted by the same amount of air?
water is more dense than air and it has at
