# How many calories are required to raise the temp of 225g of water from 42C to 75C?

## How many calories are required to raise the temp of 225g of water from 42C to 75C?

How many calories are required to raise the temperature of 225g of water from 42C to 75C? 1 cal= heat needed to raise the temperature of 1 g of water. A metal object with a mass of 19g is heated to 96C, then transferred to a calorimeter containg 75g of water at 18C.

## What is the equation for converting a Fahrenheit temperature to a Celsius temperature?

F° to C°: Fahrenheit to Celsius Conversion Formula To convert temperatures in degrees Fahrenheit to Celsius, subtract 32 and multiply by . 5556 (or 5/9).

## How do you convert C to F in Python?

So the first thing we are going to do is to ask the user for the temperature in Fahrenheit to convert it into the Celsius.

1. temp = float(input(“Enter temperature in Fahrenheit: “))
2. celsius = (temp – 32) * 5/9.
3. print(f”{temp} in Fahrenheit is equal to {celsius} in Celsius”)

## Which three temperature readings all mean the same thing?

Explanation : Conversion of degree Celsius to Kelvin : Conversion of degree Celsius to degrees Fahrenheit : By using these two conversion factors, we get the three temperature readings all mean the same thing.

-148.15 Celsius

## Why do a car’s tires need more air in the winter than they do in the summer quizlet?

Why do a car’s tires need more air in the winter than they do in the summer? The temperature is lower, so the air inside the tires contracts. You just studied 5 terms!

## Why do a car’s tires need more air in the winter?

The main reason for this is the dropping temperatures, which cause the air to become denser and consequently lower the tire pressure. Of course, tires naturally lose pressure over time, and there can be a puncture. Colder temperatures will cause tire pressure to drop about 1 psi for every 10°F drop in air temperature.

## Why are bicycle tires more flat in the winter than summer?

Explain why bicycle tires seem more flat in the winter than in summer. When air inside the tires gets colder, it shrinks, so the tires seem flat, even though they haven’t lost any air. Explain why a can of soda pop explodes if left in the hot sun.

## Why bicycle tires seem more flat in the winter?

According to Charles Law, when it’s cold outside, the low temperature causes the particles in the bicycle tire to move slower which decreases the volume and makes them look more flat.

## Does cold weather cause tires to lose air?

Tire pressure can decrease about 1 PSI (pounds per square inch) for every 10 degrees the temperature drops. It’s not due to air escaping, but rather the air inside the tire condenses, taking up less space when it’s cold. This is temporary, because driving will heat up the tire and increase the tire’s pressure.

## Why a can of soda explode if left in the hot sun?

As the can warms up, water expands a little, but the carbonation gas inside the soda (carbon dioxide) has a tendency to want to come out of the soda and create a lot of pressure. Eventually, the thin aluminum walls of the can can’t contain this pressure, and the can explodes.

## What is r in the ideal gas law?

The factor “R” in the ideal gas law equation is known as the “gas constant”. R = PV. nT. The pressure times the volume of a gas divided by the number of moles and temperature of the gas is always equal to a constant number.

## What law is P1V1 P2V2?

The relationship for Boyle’s Law can be expressed as follows: P1V1 = P2V2, where P1 and V1 are the initial pressure and volume values, and P2 and V2 are the values of the pressure and volume of the gas after change.

## What is the relationship between volume and temperature?

Charles’s law states that the volume of a given amount of gas is directly proportional to its temperature on the kelvin scale when the pressure is held constant.

## Why does gas get colder when it expands?

When gas expands, the decrease in pressure causes the molecules to slow down. This makes the gas cold.

## Why do gas expand when heated?

All three states of matter (solid, liquid and gas) expand when heated. Heat causes the molecules to move faster, (heat energy is converted to kinetic energy ) which means that the volume of a gas increases more than the volume of a solid or liquid.

## What gas expands the most when heated?

Originally Answered: which gas expands the most when thermally heated? The answer is that the gas with the lowest heat capacity at constant pressure, usually given the symbol CsubP .

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