A new planct has been discovered in the Solar System, and it is traveling in a circular orbit around the Sun. The planet has a semimajor axis of 31.9 au New Planet. What is the average velocity of the planet that has a orbital period of 180.2 years?​

Which additional product balances the reaction h2so4 + 2naoh → na2so4 + 2h2o 2oh h2o2 h3o

What can you increase the strength of an electromagnet by

8.29 two streams containing pyridine and acetic acid at 25°c are mixed and fed into a heat exchanger. due to the heat-of-mixing effect, it is desired to reduce the temperature after mixing to 25°c using a stream of chilled ethylene glycol as indicated in the diagram. calculate the mass flow rate of ethylene glycol needed. the heat capacity of ethylene glycol at these conditions is approximately 2.8 kj/(kg k), and the enthalpy change of mixing (δmixh) is given below.