How many moles of o2(g) are needed to react completely with 670 l of ch4(g) at stp to produce co2(g) and h2o(g) according to the following reaction: ch4(g) + 2o2 > co2(g) + 2h2o(g)

The vapor pressure of ethanol is 1.00 × 102 mmhg at 34.90°c. what is its vapor pressure at 61.61°c? (δhvap for ethanol is 39.3 kj/mol.)

#20 which type of bond is formed when bases pair in dna? ionic bond covalent bond coordinate bond hydrogen bond

What are the advantages of using the metric system? designed as a decimal system making conversions simpler more accurate system of measurement has prefixes that correspond to an amount to use with all base units used by the entire scientific community