question archive A copper atom has a diameter of 128 pm
A copper atom has a diameter of 128 pm
Subject:ChemistryPrice: Bought3
A copper atom has a diameter of 128 pm. How many centimeters is a line containing exactly 1.0 mole of copper atoms sequentially arranged? Use "E" for scientific notation. Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal e.g. 2.565 for 2.5 x 105)
Q33 If an 8.5 g sample of an unknown compound decomposes to produce 7.29 g N205 and 1.21 g H20, what is its empirical formula? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a HNO b HNO2 C HN204 d HNO3 e none of the above
Q32 1.25 L of methane (CH4) reacts with 1.65 L oxygen Oz(g) to produce 1.35 g of CO2(g) and some water. (density of CH4 = 0.656 g/L, density of 02 = 1.43 g/L). Determine the percent yield of carbon dioxide. Numeric Answer:
The two compounds shown below are _isomers. OH2 OH, Br. OH2 Br Co Co H2N - NH 3 H3 N - NH3 CI OH2 Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a coordination b linkage C cis/trans d mer/fac e stereo
