if a penny is 1.15 mm thick how many pennies are needed to reach the ceiling in a room where the height is 2.30 m

Which type of wave would actually slow down when moving from the air into the ocean?

2.998x10^8 m/s is how many kilometers per hour

Oxidation is a reaction in which there is a (loss or gain) of electrons which results in a (n) (increase or decrease) in positive charge of the atom or ion.

Mutations in the nucleic acid sequence of a gene can sometimes direct the substitution of one amino acid for another in the encoded protein.

A nuclear reaction in which two light nuclei combine to form a more massive nucleus is called (1) addition (3) fusion (2) fission (4) substitution

The molecules in a solid object A. flow freely around each other B. vibrate slowly C. are completely still all the time

How many moles of water can be obtained from the reaction of 4 moles of O2?

A solid white substance A is heated strongly in the absence of air. It decomposes to form a new white substance B and a gas C. The gas has exactly the same properties as the product obtained when carbon is burned in an excess of oxygen.

C). If 0.5 mole of oxygen (0,) reacted with hydrogen (H2), how many mole of water (H, 0) was produced from the reaction?

A cube has a depth of 10 cm. What is the volume of the cube? Or What is depth?