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Calculate the energy required to heat a beaker of water at 23°C to boiling. The mass of the water is 68.9 g.
Determine the temperature change that will occur when 269 J of energy is applied to 24.7 g of gold.
A silver ring has a mass of 137.62 g. How many calories of heat are required to increase the temperature from 13.4°C to 173.6°C?
What is the mass of copper that increases its temperature by 312°C when 186,000 J of energy is applied?
A 278.96 g ingot of unknown metal is heated from 22.89°C to 267.29°C. This requires 3.91 kcal of energy. Calculate the specific heat of the metal and determine its identity.

Here's the table to help you find the answer.

Substance

Specific Heat Capacity

(J/g°C)

Water:4.184 (J/g°C)

Aluminum:0.89 (J/g°C)

Silicon:0.703 (J/g°C)

Iron:0.45 (J/g°C)

Copper:0.387 (J/g°C)

Silver:0.24 (J/g°C)

Gold:0.129 (J/g°C)

Lead:0.128 (J/g°C)

Answer) by studying proton collisions hope this : )

Both models are effective because they show the valence electrons, and these valence electrons indicate the reactivity of an element.

The answer to your question really depends on three things: how much water you have, how cold it is to start out, and how cold the things around it are. water actually freezes when it gets to 32 degrees fahrenheit (0 degrees celsius), but the time it takes to get there may be different.  let's start with the first. if you take two glasses, and fill one with a tiny bit of water, and the other about halfway, then put them both in the freezer, the one with less water will freeze first (you can try this at home, but i recommend using plastic cups and not glass ones).  now let's move on to the second part. let's say you have two glasses, and you fill one with really cold water that has been in the refrigerator, and the other with really hot water from the sink. if you put both of them in the freezer, the one that started out colder will freeze first.  for the third part, let's imagine that you have two glasses with the same amount of water in them, and the water is at the same temperature. imagine putting one outside on a really really cold day in georgia, and having a friend in alaska put one outside on the same day. since it would be so much colder in alaska, the glass of water there would freeze before yours.  so, if you took a tiny bit of really cold water in a glass, and put it outside on a cold day in alaska, it would freeze a lot faster than a big glass of hot water outside on a cold day in georgia.