99
96
040Zr
+
42He
>
+ "42Mo...
Answers: 3
Another question on Chemistry
Chemistry, 22.06.2019 15:00
According to the diagram, what sources contribute to the phosphorus found in soil? according to the diagram, phosphorus found in soil contributes phosphorus to what other sources?
Answers: 1
Chemistry, 22.06.2019 17:50
Cryolite, na3alf6(s), an ore used in the production of aluminum, can be synthesized using aluminum oxide. start this question by first balance the chemical equation.1.) balance the equation: - alo3(s)+naoh(l)+hf(> na3alf6+h2o(g). 2.) if 17.5 kilograms of al2o3(s), 51.4 kilograms of naoh(l), and 51.4 kilograms of hf(g) react completely, how many kilograms of cryolite will be produced? 3.)which reactants will be in excess, (al2o3, naoh, or hf) 4.)what is the total mass of the excess reactants left over after the reaction is complete in kg?
Answers: 2
Chemistry, 22.06.2019 20:00
Phosphoric acid is a triprotic acid ( =6.9Ć10ā3 , =6.2Ć10ā8 , and =4.8Ć10ā13 ). to find the ph of a buffer composed of h2poā4(aq) and hpo2ā4(aq) , which p value should be used in the hendersonāhasselbalch equation? p k a1 = 2.16 p k a2 = 7.21 p k a3 = 12.32 calculate the ph of a buffer solution obtained by dissolving 18.0 18.0 g of kh2po4(s) kh 2 po 4 ( s ) and 33.0 33.0 g of na2hpo4(s) na 2 hpo 4 ( s ) in water and then diluting to 1.00 l.
Answers: 3
Chemistry, 22.06.2019 20:00
For the reaction c6h14(g) & longrightarrow; c6h6(g) + 4h2(g), Ī“p(h2)/Ī“t was found to be 2.5 x 10-2 atm/s, where Ī“p(h2) is the change in pressure of hydrogen. determine Ī“p(c6h14)/Ī“t for this reaction at the same time.
Answers: 2
You know the right answer?
Questions
English, 15.10.2019 12:30
Mathematics, 15.10.2019 12:30
Biology, 15.10.2019 12:30
History, 15.10.2019 12:30
Mathematics, 15.10.2019 12:30
Arts, 15.10.2019 12:30
Biology, 15.10.2019 12:30
History, 15.10.2019 12:30
English, 15.10.2019 12:30
