A weather balloon at Earth's surface has a volume of 3.9 L at 299 K and 763 mmHg. If the balloon is released and the volume reaches 4.13 L at 720 mmHg, what is the temperature? Answer in units of K.

How do insects or small animals become preserved in amber

Handing out brainliest to the correct answer! Orbitals are defined by which of the following? (a) composition (b) energy level (c) number of electrons (d) spin direction

What units are used for pressure, volume, and Temperature in the ideal gas law when R=0.0821? 1. Atm, Liters, and Kelvin 2. Atm, mL, and Celsius 3. mmHg, Liters, and Kelvin 4. kPa, Liters, and Celsius

How is mass calculated given density and volume Volume divided by volume, Sum of volume and mass, Density multiplied by volume, Difference of volume and mass

Is plastic is substance, homogenous or heterogineous mixture

Which atomic orbitals overlap to form the C-O bond of dimethyl ether, (CH3) 20? O c 2sp^3 + 2sp^3 OC 2sp^2 + 0 2p O c 2sp^2 + 0 25p^2 O C 2sp^3 + O 2sp?

For the reaction CO+2H2=CH3OH at 700 K, equilibrium concentrations are [H2]=0.072 M, [CO] = 0.020M, and [CH3OH] = 0.030 M. Calculate K

How to make fluffy slime without contact solution?

When you mixed 20 grams of magnesium and an excess of nitric acid, 1.7 grams of hydrogen was actually produced. What is the percent yield of hydrogen during this reaction? Mg + 2HNO3 Mg (NO3) 2 + H2 3.3 % 48.5 % 25.7 % 102 % 98 %

A small cubical furnace 50 by 50 by 50 cm on the inside is constructed of fireclay brick [k = 1.04 W/m. degree C] with a wall thickness of 10 cm. The inside of the furnace is maintained at 500 degree C, and the outside is maintained at 50 degree C.