How many moles of gas are present in 1.13 L of gas at 2.09 atm and 291 K?

What is the wavelength of an electromagnetic wave that travels at 3 * 108 m/s and has a frequency of 60 MHz? (1 MHz = 1,000,000 Hz)

Ordinary hydrogen is sometimes called a perfect fuel, because of its almost unlimited supply on Earth, and when it burns, harmless water is the product of the combustion.

Should fitness professionals recommend the total elimination of fat from the diet? A. Yes, because all fats can lead to various diseases. B. No, but it's recommended that fat intake be limited to 30 percent of daily total calories. C.

Explain why the coin is able to float on top of the water in this glass.

Why does oxygen have a strong attractive force for electrons?

Four moles of carbon monoxide (CO) has 48 grams of carbon (C) and 64 grams of oxygen (O). What is the percent composition of carbon in carbon monoxide? 6.25% 8.3% 43% 75.0%

What is the difference between potassium 39, 41, and 40

What is physical chemistry?

Which of the following happens during a solar eclipse? The moon appears red. The moon casts a shadow on Earth. Earth, the moon, and the sun form a triangle. Earth comes between the sun and the moon.

The four elements comprising over 90 of living matter are