Please help! Which property is not important when selecting a material to use as a light bulb filament?
A. high vapor pressure

B. high melting point

C. high ductility

How far is the region from the equator or control climate

Abeaker with 2.00×102 ml of an acetic acid buffer with a ph of 5.000 is sitting on a benchtop. the total molarity of acid and conjugate base in this buffer is 0.100 m. a student adds 4.70 ml of a 0.360 m hcl solution to the beaker. how much will the ph change? the pka of acetic acid is 4.740.

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?