Chemistry, 15.06.2021 18:30 pizzalover6994
Đốt cháy hoàn toàn m gam hợp chất hữu cơ A( A chỉ chứa C, H,N và A<50)bằng một lượng không khí vừa đủ thu được 8,96 lít CO2;12,6 gam H2O;69,44lít N2( ở đktc). Xác định m và CTPT của A, biết trong không khí N2 chiếm 80% về thể tích
Answers: 2
Chemistry, 21.06.2019 21:40
During trial 2, what allowed you to determine that aluminum was the limiting reactant? check all that apply. all of the copper dissolved. all of the aluminum dissolved. the solution turned clear. the number of grams of copper(ii) chloride used in the reaction was greater than the number of grams of aluminum. the molar ratio of copper(ii) chloride to aluminum was greater than 3: 2, the equation’s molar ratio.
Answers: 2
Chemistry, 21.06.2019 23:30
Which of the following statements concerning the influence of culture on ethnic identity formation is accurate? a. one will reject ethnic identity if cultural stereotypes are encountered. b. if one’s ethnic city is different from the dominant cultural group, then one’s ethnic identity you will become weekend. c. if an the ethnic group is excepted by dominant culture, then ethnic identity formation can be a difficult process. d. similarity to the dominant culture can determine how easy it is for one to except ethnic differences.
Answers: 2
Chemistry, 22.06.2019 00:30
The clouds are grey and ground is wet. a quantitative b qualitative
Answers: 1
Chemistry, 22.06.2019 05:40
Calculate: select the worksheet tab. this tab you calculate the analyte concentration. fill in the first set of boxes ("moles h2so4" and "moles naoh") based on the coefficients in the balanced equation. (if there is no coefficient, the value is 1.) record the appropriate volumes in the "ml naoh" and "ml h2so4" boxes. record the concentration of the titrant in the m naoh box. click calculate. what is the concentration listed
Answers: 2
Đốt cháy hoàn toàn m gam hợp chất hữu cơ A( A chỉ chứa C, H,N và A<50)bằng một lượng không khí vừ...
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