
How Do You Convert Energy from J/kg to kJ/mol? - Physics Forums
2011年8月18日 · 10^3j = kj => j = 10^-3kj so 553 * 10^5 j = 553 * 10^5 * 10^-3 kj = 553 * 10 ^2 kj (I substituted j for kg using the upper formula). About kg=>mol, well, for that you'll have to tell …
Why is the Velocity equal to joules per kilogram? - Physics Forums
2017年2月8日 · v = J / kg KE = .5mv^2 The Attempt at a Solution I tried to derive it myself using the kinetic energy formula. What I end up with is that ##v=\sqrt{\frac{2*J}{kg}}## The units are …
How to Convert J/K and kgJs/m into m/s? - Physics Forums
2013年12月20日 · J is kg m^2/s^2, so things do not match. J/K is the typical unit for heat capacity or entropy, while m/s gives a velocity. Is there something wrong with the calculations or are …
What the heck is measured in m2 / s2? - Physics Forums
2011年10月21日 · Using bernoulli's equations you can find out the loss of energy due to friction in joule/kg, which is the same as m2/s2. A joule is the same as a Newton times meter, while a …
How do you convert BTU/lbF into J/kgK? - Physics Forums
2015年9月10日 · I know 1BTU = 1055J 1lb = 1/2.2046 kg 1 F = 255.928 K then 1 BTU/lbF should be 1055/(1.2046)*255.928. But I get 9 plugging this in the value is suppose to be 4186 J/kgK. …
Mass of Ice required to achieve a certain final Temperature
2019年1月25日 · Take the specific heat for water to be 4190 J/(kg⋅K) , the specific heat for ice to be 2100 J/(kg⋅K) , and the heat of fusion for water to be 334 kJ/kg . Homework Equations …
Thermodynamics: Final temp of Ice + steam? - Physics Forums
2010年11月11日 · Homework Statement In an insulated container, .50kg of steam at 140C is mixed with 2.0kg of ice, at -20C. What is the final temp inside the container if heat exchanges …
Solution to Thermo Ice Melting Problem - Physics Forums
2010年2月28日 · Homework Statement An insulated beaker with negligible mass contains liquid water with a mass of 0.325 \\rm{kg} and a temperature of 69.9 C. How much ice at a …
Evaporation of Water on a Jogger - Physics Forums
2007年5月24日 · The latent heat of vaporization of H2O at body temperature (37.0°C) is 2.38E+6 J/kg. To cool the body of a 71.9 kg jogger [average specific heat capacity = 3550 J/(kg*°C)] by …
Solving 0.02 kg Ice and 0.10 kg Water at 0°C to Melted State
2014年6月14日 · 0.02 kg of ice and 0.10 kg of water at 0 degrees Celsius are in a container. steam at 100 degrees Celsius is passed in until all the ice is just melted. How much water is …