Given that burning a 1 gram carbohydrate sample raised the
temperature of the 500 gram
water bath by 8°C, calculate how
much heat energy was released
by the carbohydrate sample.

What does x represent in the formula for the compound xcl4?

What causes different colors to appear in the sky? the absorption of light by air molecules the reflection of light by bodies of water the greenhouse effect in earth's atmosphere the scattering and reflection of light by dust particles

Ascientist conducted an experiment and discovered that certain plants grow faster when given a particular amount of fertilizer. anouther scientist conducted the same experiment and got similar results. which concept does this best illustrate? a) repetition b) replication c) precision d) validity