Answer:
ponge is a solid yet we able to compress it because it has holes in it. When we compress the sponge the air goes out of those pores.
Explanation:
Answer:
In 1889, Ernest Rutherford recognized and named two modes of radioactive decay, showing the occurrence of both processes in a decaying sample of natural uranium and its daughters. Rutherford named these types of radiation based on their penetrating power: heavier alpha and lighter beta radiation. Gamma rays, a third type of radiation, were discovered by P. Villard in 1900 but weren't recognized as electromagnetic radiation until 1914. Since gamma radiation is only the discharge of a high-energy photon from an over-excited nucleus, it does not change the identity of the atom from which it originates and therefore will not be discussed in depth here.
Because nuclear reactions involve the breaking of very powerful intra nuclear bonds, massive amounts of energy can be released. At such high energy levels, the matter can be converted directly to energy according to Einstein's famous Mass-Energy relationship E = mc2. The sum of mass and energy are conserved in nuclear decay. The free energy of any spontaneous reaction must be negative according to thermodynamics (ΔG < 0), and ΔG is essentially equal to the energy change ΔE of nuclear reactions because ΔE is so massive.
Explanation:
Hope it helps
levels greater than seven are bases
levels on 7 are neutral
levels low than 7 are acids
there are 14 levels, Acids change litmus paper red and Bases change litmus paper blue.
Answer:
The answer to your question is: 14 g of N₂
Explanation:
Data
MW N2 = 14
MW H2 = 1
MW NH3 = 17
N₂(g) + 3H₂(g) ---> 2NH₃(g).
28g 6g 34g
28 g of N₂ -------------------- 6 g of H₂
x -------------------- 3 g of H₂
x = (3 x 28) / 6
x = 14 g of N₂
Answer:
movement of water from an area of lower solute concentration to an area of higher solute concentration
Explanation:
suppose two compartments separated by a semipermeable membrane, so that one contains water (compartment A) and the other a concentrated saline solution (compartment B). In this situation there is a greater chemical potential of the water present in A, which manifests itself as a diffusion tendency towards B, diluting this solution accordingly.
