220 J to kilojoules
350 kj to calories
97.0 kcal to joules
35.0 cal to kilocalories
How do I convert them?
1000 J = 1 kJ is the factor so
220 J x (1 kJ/1000 J) = ?
You see you multiply the value you start with by the factor. You can place the factor as 1000/1 or as 1/1000. Only one way is right. The right way will ALWAYS cancel the unit you don't want and keep the unit you want. For example, you see J in the numerator cancels J in the denominator and kJ in the numerator (the unit you want to keep) stays.
Next is 350 kJ to cal.
1000J = 1 kJ and
4.184 J = 1 cal. Here there are two factors but they work the same way even in long lines of factors from one unit to the next.
350 kJ x (1000 J/1 kJ) x (1 cal/4.184 J) = ? cal
You see the first kJ in the numerator cancels with the first kJ in the denominator of the first factor. That factor converts kJ to J. The J in the first factor in the numerator cancels with J in the denominator of the second factor. That factor converts J to cal which is what you want.
For the others:
1000 cal = 1 kcal
1 cal = 4.184 J
1000 cal = 1 kcal.
To convert a given quantity from one unit to another, you can use the appropriate conversion factors. Here are the conversion factors for the given conversions:
1 J = 0.001 kJ
1 kJ = 1000 J
1 kcal = 4184 J
1 cal = 0.001 kcal
1 cal = 4.184 J
1 kcal = 4.184 kJ
Now let's convert the given quantities using these conversion factors:
1. Converting 220 J to kilojoules:
To convert J to kJ, divide by 1000.
220 J * (0.001 kJ / 1 J) = 0.22 kJ
Therefore, 220 J is equal to 0.22 kJ.
2. Converting 350 kJ to calories:
To convert kJ to cal, multiply by 239.00574.
350 kJ * (239.00574 cal / 1 kJ) = 83602.0129 cal
Therefore, 350 kJ is approximately equal to 83602 calories.
3. Converting 97.0 kcal to joules:
To convert kcal to J, multiply by 4184.
97.0 kcal * (4184 J / 1 kcal) = 405828 J
Therefore, 97.0 kcal is equal to 405828 J.
4. Converting 35.0 cal to kilocalories:
To convert cal to kcal, divide by 1000.
35.0 cal * (0.001 kcal / 1 cal) = 0.035 kcal
Therefore, 35.0 cal is equal to 0.035 kcal.
I hope this helps! Let me know if you have any further questions.