. El “hielo seco” es dioxido de carbono solido a temperatura inferior a -55 y presión de 1 atmosfera. Una muestra de 0.050 g de hielo seco se coloca en un recipiente vacio cuyo volumen es de 4.6 L, que se termostata a la temperatura de 50°C.

Adozen is 1221/12 = 1.751.75 x 12 = 21therefore, 1.75 is the answer.

The correct answer should be "electrons orbit the nucleus in circular motions exactly as shown on the classic bohr model."

Standing in the sunlight and feeling the heat on your face (uv radiation is entering the skin, converting to infrared radiation, and is absorbed by your tissues)orstanding near a fire and feeling the heat on your skin (infrared radiation transfer)