Which characteristics best identify differences between intrusive and extrusive

The strongest substance in your body is:

Determine the specific heat of a mayterial if a 35g sample of the material absorbs 48J as it is heated from 298K to 313K

What does it mean that gold has a specific heat capacity of 0.135 J/g*C

A fixed amount of gas in a rigid container is heated from 300 k to 900 k, which of the following responses best describes what will happen a. increase in pressure by factor greater than3 b. pressure remains the same c.

How many grams of fluorine are contained in 8 molecules of boron trifluoride?

If a sample containing 2.50 ml of nitroglycerin (density=1.592g/ml) is detonated, how many total moles of gas are produced?

A 5.00g of X, the product of organic synthesis is obtained in a 1.0 dm3 aqueous solution. Calculate the mass of X that can be extracted from the aqueous solution by a 50cm3 of ethoxy ethane. (KD (X) = 40.

2. Why are stain used when preparing observing cells under the

Based on periodic trends of electronegativity, what statement regarding the halogens is MOST accurate? A) Flourine has the lowest electronegativity. Eliminate B) Iodine has the strongest tendency to attract electrons.

The masses of reactants is always greater than the masses of the products in a chemical reaction, because the products are combined together. TRUE FALSE