Ammonia
NH,
carbon
dioxide
CO2
ethene
CH,
nitrogen
N2
P
Q
R
S
Four identical balloons are filled with different gases all at the same temperature and pressure.
The gases gradually diffuse out of the balloons. Which pair of balloons will deflate at the same rate
You will need the following information from the periodic table to answer this question:
Atomic mass:
N = 14
H = 1
C = 12
O = 16
P and Q
Q and R
Rand S
Schrodinger and heisenberg developed an alternate theory about atomic nature that contradicted some of bohr's model of the atom. how do changes resulting from new technology and evidence affect the reputation of the atomic theory?
The chemical equation below shows the reaction of sodium (na) and chlorine (cl) to form sodium chloride (nacl). 2na + cl2 β 2nacl in this equation, which of the following is a reactant? i. sodium ii. chlorine iii. sodium chloride
How many moles of sulfuric acid (h2so4) are needed to react completely with 6.8 moles of lithium hydroxide (lioh)? 2lioh + h2so4 β li2so4 + 2h2o a. 3.4 mol h2so4b. 6.8 mol h2so4 c. 10.2 mol h2so4 d. 13.6 mol h2so4