A 55.0 g block of copper increases its temperature by 89°C. If the copper block has a specific heat of 0.385 J/g°C, calculate the amourt of energy the block
absorbed.

Sodium nitrite (nano2) reacted with 2−iodooctane to give a mixture of two constitutionally isomeric compounds of molecular formula c8h17no2 in a combined yield of 88%. draw reasonable structures for these two isomers. click the "draw structure" button to launch the drawing utility. place the two compounds in the appropriate boxes below.

If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?

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