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qwaht are standard temperature and pressureans the agreed set of conditions for comparison of gas volumes is called standard temperature and
q briefly explain about diffusion of gasesans the following are some important points on the diffusion of gasesgas molecules have an average
q illustrate kinetic molecular theory of gasesansthe behavior and properties of gases can be explained by the kinetic molecular theory kmt a gas that
q explain basic physical properties of gasans gases are the least dense phase of matter gases can be easily expanded or compressed they exert
q what is entropyansthe strangest thing about entropy is that it is denoted by the letter sentropy is the measure of the disorder in a system a
q what is spontaneous reactionsans spontaneous reactions can occur under specific conditions without any assistance most of the reactions you know
q what is spontaneous processesans spontaneous processes are events which occur without any assistance when an object is held above the floor it
q what is standard enthalpy of formationansit is really difficult to measure the total energy content or absolute entropy of a substance in order to
q determine the heat transferans lets say a blacksmith tosses a hot horse shoe into a bucket of water the horseshoe will get cooler while the water
q what is si unit of energyansthe si unit of energy is called the joule a joule is a pretty small mount of energy so often chemists will use the
q what is basic diffrence between heat and temperatureans heat is energy which flows from hot objects to cooler ones it flows because of the
the mass of cacl2 molar mass 1110 required to prepare 7500 milliliters of a 2000 molar solution of this salt
q explain laws of electrolysisans a spontaneous reaction takes place by itself some redox reactions are not spontaneousin a non-spontaneous
q explain working of galvanic cellans there are several types of electrochemical cells one type of electrochemical cell is called a galvanic cell a
q explain the working of chemical cellans a chemical cell can be set up by dipping two different metals in an electrolyte and connecting the
q describe electrochemistryelectricity ie electric current is a flow of electric chargesin metals it is the flow of electronsin electrolytes it is
q determine molecular mass of atomsans 602 x 1023 is a really big number it would be hard to count that many of any object thats one of the
q explain pauli exclusion principlewhen assigning electron configurations it is essential to consider the two important principles concerning
q illustrate nature of light as a particleans you have seen that when excited electrons return to the ground state they release packets of energy
q quantum mechanical model of the atomans using quantum mechanics scientists realized that the exact location of an electron could not be determined
q illustrate the quantum mechanicsans in 1924 a french scientist named louis de broglie proposed another model for the nature of the electrons in
q evolution of the modern atomic modelans the atomic models of dalton thomson rutherford and bohr eventually evolved into the current-day quantum
q what is speed of light waveanslight is just one type of wave like all waves it can be characterized by frequency wavelength and amplitude similarly
q place these types of light in order from highest to lowest energy infrared light ultraviolet radio waves microwaves green lightans highest energy
q place these types of light in order from largest to smallest wavelength blue light x-rays gamma rays microwaves green lightlargest