2018年1月23日 · How to calculate the anhydrous ammonia, from Kg to normal cubic metre in the gas state?

2016年5月29日 · In your case, gold is said to have an enthalpy of fusion equal to #"67 kJ kg"^(-1)#. This tells you that in order to melt #"1 kg"# of gold, i.e. go from solid gold at its melting to …

2017年4月2日 · Newton's law of gravitation states that the gravitational force between two objects is given by F=G(m_1m_2)/r^2, where G is the gravitational constant (~~6.67*10^-11 …

2018年6月13日 · An isotope is usually fully written in the form of: ""_Z^AX where: Z is the mass number A is the atomic number X is the element's symbol The mass number is also written at …

2017年3月31日 · How can molarity and osmolarity be calculated from mass per unit volume?

2016年7月26日 · Weight is a force...so you need mass and acceleration! The weight of your astronaut will be: W=mg where: m is the mass in kg of the astronaut; g is the acceleration of …

2017年5月5日 · A 712 kg car is traveling at 5.6 m/s when a force acts on it for 8.4 s. What is the kinetic energy of the car?

2017年5月24日 · I tried this: Let us consider the diagram where the zero level for Gravitational Potential Energy is at the ground level: At the releasing point the rock is at rest (velocity zero) …

2018年7月1日 · A solution is made by dissolving 10.20 grams of glucose (C6H12O6) in 355 grams of water. What is the freezing point depression of the solvent if the freezing point …

2014年3月11日 · Mole fraction is a way to express the concentration of different components of a solution. Let us consider you prepare a solution by dissolving n moles of salt in m moles of …