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1 how many atoms are in 107 g of na2 the element x occurs naturally to the extent of 7023 30x and the rest 32x what is
the following reaction takes place at a certain elevated temperaturefe2o3s 3cog rarr 2fel 3co2swhat is the percent
when 450 g of mgoh2nbspreacts with 450 g of hcl according to the equation below mgoh2nbspproduces 0772 mol of
a carnot engine absorbs 100j of heat from a reservoir at the temperature of the normal boiling point of water and
a ground state h-atom absorbs a photon of wavelength 9491 nm and its electron attains a higher energylevel the atom
imagine an irreversible engine i and a carnot engine r operating between the same two reservoirssuppose that they
draw a symbolic diagram of a set of carnot engines with the following characteristicseach engine absorbs the heat
the initial state of 01 mol of an ideal monatomic gas is ponbsp 32pa and vonbsp 8m3nbsp the final state is p1 1 pa and
jenny and mark complete a reactivity experiment by placing samples of metals into water they initially place small
explain why acidic rain produced as a result of excess sulphur dioxide in the atmosphere can cause degradation of
could you explain the kinetics of a reaction lab experiment where we determine the rate of the reaction between crystal
a logarithmic thermodynamic temperature scale which can be constructed to agree with the celsius scale at nmp-h20 and
explain how photochemical smog is generated and write chemical reactions to explain
identify the chemical components and the proportions necessary to achieve a buffer with the desired ph include relevant
1 prove that the slope on a ts diagram ofa an isochoric curve is tcvb an isobaric curve is tcp2 why does an isochoric
sketch ts diagrams for the following four ideal gas cycles otto diesel a rectangle on a pv diagram and a right triangle
a current of 10 a is maintained for 1s in a resistor of 25 omega while the temperature of the resistor is kept constant
a one kilogram of water at 273 k is brought into contact with a heat reservoir at 373 k when the water has reached 373
a body of constant heat capacity cpnbspand at a temperature tinbspis put in contact with a reservoir at a higher
the molar heat capacity at constant magnetic field of a paramagnetic solid at low temperatures varies with the
according to debyes law the molar heat capacity at constant volume of a diamond varies with the temperature as
a the specific entropy of saturated water at 1000e is 1307klkg deg and that of saturated steam at the same temperature
a what happens when helium gas is compressed isothermally above the critical temperatureb if water vapor is compressed
a capsule containing a liquid is broken while inside a small vacuum chamber describe the behavior of the meniscus when
a prove that two isentropic curves do not intersect for systems of two independent variablesb show that isentropic