Science: To reduce thermal energy transferring, you should

A) paint it white

B) paint it Black

C) fill it with styrofoam

D) fill it with water

I chose voice C, but the teacher marked me wrong. Can anyone answer this?

If kinetic energy is increases by 300% then what

A student described two properties of a substance as shown. Properties of Substance Property Description C - A known mass of the substance gives off heat when it is burned. D - A substance can be stretched out to become a long wire.

The discoverer of the electron was: Faraday Thomson Henry Millikan

Consider the Zn (s) + Cu+2 (aq) + Zn+2 (aq) + Cu (s) system. Which element was the electron donor?

A particular brand of gasoline has a density of 0.737 g/mL at 25 ∘C. How many grams of this gasoline would fill a 14.3 gal tank (1US gal=3.78L) ? Express your answer to three significant figures and include the appropriate units.

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.