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A gas has a pressure of 0.370 Kpa at 50.0 C and a volume of 142ml. How many moles of gas are there?

Question #2ccd8

How do you determine if the following integral is convergent or divergent using the comparison theorem?
#int_0^oo (arctan(x))/(2+e^x)dx#

What is an acid chemical compound?

How do you evaluate the limit #lim(5x^2)/(2x)dx# as #x>0#?

How do you evaluate the integral #int 3sinx+4cosxdx#?

What signs indicate that a chemical reaction may have occurred?

How do you solve #4x^27x+1=0# using the quadratic formula?

How many atoms are in 2.70 moles of iron atoms?

What is the density of nitrogen gas at 90.5 kPa and 43.0 °C?

Question #33096

How many grams are in 0.75 moles of #CO_2#?

What element has the lowest first ionization energy?

How can atomic number and mass number be used to find the numbers of protons, electrons, and neutrons?

What is the derivative of #f(t)=cos^2(3t+5)#?

Question #c0a51

How do you factor #5x^{2} + 11x + 7#?

How do you simplify #3\sqrt{121}#?

How do you factor #x^ { 2} + 10x + 25#?

How do you solve #5( x + 4) = 40#?