6. Radar signals are electromagnetic radiations in the microwave regions of the spectrum. A typical radar signal has a wavelength of 3.19 cm. What is its frequency in hertz?

Remember to use the proper number of significant figures and leading zeros in all calculations.gelatin has a density of 1.27 g/cm³. if you have a blob of gelatin dessert that fills a 2.0 liter bottle, what is its mass? 2540 g2500 g3.9 x 10-43.937x 10-4

In the reaction between a crushed antacid tablet and vinegar what gas is emitted

If 22.5 of nitrogen at 748 mm hg are compressed to 725 mm hg at constant temperature. what is the new volume?