8/5/2023 0 Comments 0.5 psi to kpa![]() ![]() What human body system sends signals to glands in the endocrine system to release hormones? A. What percentage of the total did he spend on fruit? What is the solution to 5x−2=13 ? Plot the solution on the number line. PLZ HELP!!!!!!! Is a fire abiotic or biotic ¡Que lastima! El autobus¡ Which bacteria might be present in a dented food can? Manuel spent a total of $40 at the grocery store. The death of the brothers takes place during which stage of the plot? How are photosynthesis and cellular respiration related? A) cellular respiration can not occur without photosynthesisī) they each occur in completely different organismsĬ) both depend on ATP as a source of energyĭ) both produce more ATP than they use Choose the mixed number that has not been reduced to simplest form. Ik its not B In the Greek tragic play Antigone. What are the two changing properties in Charles' law? Pressure and temperature (E) 300 bq WHO expected the constitutional convention to replace the articles of confederation? A) george washingtonĭ) james madison Charles' law relates the way two gas properties change when another property remains the same. Using the concept of a half-life, and without doing any written calculations, determine what the activity 9 minutes later is. At a given instant, the activity of a certain sample of thallium is 2400 Bq. The thallium Subscript 81 Superscript 208 Baseline Tl nucleus is radioactive, with a half-life of 3.053 min. Type in your answer with 3 significant figures. Calculate the atomic mass (in amu) of the element. ![]() Take air gas constant (R) = 0.287 kJ/(kg.oK) An imaginary element (X) on Mars is composed of three isotopes, 10.68% of isotope X-95 with a mass of 95.0 amu, 16.90% of isotope X-96 with a mass of 96.0 amu, and 72.42% of isotope X-97 with a mass of 97.0 amu. ![]() ![]() Determine the volume of the second tank and the final equilibrium pressure of air. The valve is opened and the whole system is brought to thermal equilibrium with the surrounding of 20 oC. What offspring would you expect from (a) the cross of a barred hen to a non-barred rooster? (b) the cross of an Fl rooster from part (a) to one of his sisters? A 1-m3 tank containing air 25 oC & 500 kPa is connected to another tank containing 5 kg of air at 35 oC & 200 kPa through a valve. Now that we know the value of t₁, we can find the value of D. We can see that both of these left sides are equal to the same thing, then we must have: T₂ = t₁ + 2.5s and replace it on the second equation: Where t₁ is the time that the light needs to reach the student, t₂ is the time the sound needs to reach the student, and D is the distance between the student and the ligthing. So there is a little time between when the lighting happens and the student sees it, that will also have an impact on the distance to the lighting. Light travels and impacts the student's eyes, at this moment he sees the flash of light, this is what we consider the t = 0.The student sees the "flash" when the light impacts on his eyes. Now, notice that there is an intrinsic problem with this question. We want to find the distance between the student and the lighting given that we know the time that passes between the moment he sees the lighting and the moment he hears it. The mass flow is that much amount per minute The gas constant for air is R = 53.35 (ft*lb)/(lbm* °R) With the gas state equation we calculate the mass: The G terms are mass flows, however we have volume flow of air. Tfin = (-Gw * Cpw * Δt) / (Ga * Cpa) + ti Tfin - ti = (-Gw * Cpw * Δt) / (Ga * Cpa) We split the heat into the heat transferred by the air and the heat trnasferred by the water: Also does not perform or consume any work L = 0. The heat exchanger is running at a steady state, so ΔU = 0. Air has a specific heat at constant pressure of: ![]()
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