Although si is an insulator then how does it behave as semiconductor upon heating

Nitrate is a polyatomic ion with a - 1 charge.

A sample of gas has a volume of 215 cm3 at 23.5 degrees Celsius and 84.6kPa what volume will the gas occupy at stp

Determine the chemical formulas for the following molecules: A. Beryllium Chloride B. Phosphorus Pentabromide C. Methane D. Aluminum Chloride E. Dichloromethena F. Boron Triflouride G. Tungsten Hexachloride

At 500 K, the reaction is at equilibrium with the following concentrations. [PCI5] = 0.0095 M [PCI3] = 0.020 [CI2] = 0.020 M What is the equilibrium constant for the given reaction? 0.042 0.42 2.4 24

After recording the data for five repeated trials you should calculate the average of five values and report that average in your lab report

What is the chemical formula of a compound that is composed of the ions Ca2 + and br-

What element is likely to form an ionic compound with chlorine?

Will a parachute slow a skydiver more at a very high altitude or a lower altitude?

Carbon monoxide is: Only found in large cities An odorless, colorless, toxic gas Healthy to breath in A danger when driving on the open highway

What is a potential benefit of fuel cell cars? increased efficiency converting gasoline to energy no recharging necessary decreased automobile cost larger engines