Determine numbers of joules of heat are essential to raise
Determine the numbers of joules of heat are essential to raise the temperature of a1.20-kg block of iron from the 22 degrees C to 89.5 degrees C. The specific heat of iron is metal is 0.450 J/g*K.
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When solutions containing chloride ions and silver ions are mixed, the silver chloride precipitates: Ag+(aq) + Cl-(aq)-> AgCl(s). ΔH=-65.5 Find out the following change of enthalpies.
Determine the viewpoint of the chemical reactants of the system, what do you expect for the signs of w and q in this process? The air bags that provide protection in a car accident expand because of a rapid chemical reaction.
Determine the temperature of an ideal gas whose molecules encompass an average translational kinetic energy of 6.10 x 10-20 J?
A local politician claims that 1 in 5 automobile accidents involves a teenage driver. He is advocating increasing the age at which teenagers can drive alone.
Consider the following hypothetical reactions: A->BΔH=31J, B->C ΔH=64. By using Hess's law to determine the enthalpy change for reaction A->C
A smoke particle consists of a mass of 2.20 x 10-17 kg and it is randomly moving about in thermal equilibrium having room temperature air at 31° C. Determine the rms speed of the particle?
Determine the probability that the sample mean strength of 100 of these cables is below 457 lb.?
You are instructed to provide cephalexin monhydrateg over next 24 hrs divided into 6 equally spaced doses how much would you give for every day?
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