6. In a hexagonal close-packed crystal, every atom (except those on the surface) has

neighbors.

6

8

12

10

How much energy is needed to convert 57.3 grams of ice at 0.00°c to water at 75.0°c? specific heat (ice) = 2.10 j/g°c specific heat (water) = 4.18 j/g°c heat of fusion = 333 j/g heat of vaporization = 2258 j/g?

Which element would have the largest radius; Br or Se? Explain

A. A rapid cooking method that uses high heat from a source located above the food.

A 22.5 g sample of X reacts with a sample of Y to form 68.3 g of XY. What is the mass of Y that reacted.

Write the balanced equation for the burning of nonane, c9h20, in air.

A car traveled at a constant velocity of 70 mph from noon to 2:00 pm. At 3:00 pm the velocity of the car was 80 mph; and finally at 4:30 pm the velocity of the car was 40 mph.

How do you number cycloalkanes?

What causes the centripetal accleeration of an electron in a hydrogen atom?

Write a word equation for the extraction of tin from tin oxide using carbon

What is the electron configuration for neon?