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Suppose that the microwave radiation has a wavelength of 12.4 cm. How many photons are required to heat 285 mL of coffee from 25.0 ^\circ \rm C to 62.0 ^\circ \rm C? Assume that the coffee has the same density, 0.997 g/mL, and specific heat capacity, 4.184 \rm J/(g\cdot K), as water over this temperature range.
What volume (mL) of 0.663M potassium hydroxide aqueous solution is needed to neutralize [?this means to completely react with] 842 mL of 0.554M nitric acid?
If the total pressure in the cylinder is 2490 mmHg, what is the partial pressure of each of the components? Assume constant temperature.
Define the Joule-Thomson coefficient µ,derive an explicit form of JT coefficient and evaluate its value for an ideal gas.
Write the balanced equation for the reaction of each hydrocarbon (cyclohexane, methylcyclohexane, toluene, ethylbenzene, isopropylbenzene, and tert-butylbenzene) with bromine.
hydrogen chloride gas is shipped in a container under 5.000 mm hg pressure that occupies 20 liters at 30 celcius how many liters of gas would be produced at stp?
Calculate the hydrogen ion concentration in a solution of fruit juice having a pH of 4.25. A) 1.0 × 10-14 M D) 2.5 × 10-4 M B) 5.6 × 10-5 M E) 5.6 × 10-4 M C) 4.0 × 10-25 M
for one of the solutions you make up for this weeks experiment 8.00 ml of 2.0e-3 m ironiii nitrate solution is mixed
Calculate ?Go (in J) for 1 moles of electron(s) in each half-reaction and a standard potential of 0.27 V.
3.5 grams of salicylic acid reacts with an excess amount of acetic anhydride. What is the theoretical yield
What is the pressure of a 10g sample of sulfur trioxide in atmospheres at a temperature of 20 degrees Celsius that has a volume of 50L
the hope diamond weighs 44.0 carats. determine the volume occupied by the diamond given that its density is 3.5 gcm3 at
a highly radioactive element is determined to contain 0.3256 mol of the element. What is the element?
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