CUALES SON LOS NUMEROS QUE BALANCEA LA SIGUIENTE REACCION
H3PO4 -------- H2O + H4P2O7
EXAMEN 3ER PARCIAL
Quiz
•
Chemistry
•
10th - 11th Grade
•
Hard
DIANA MARTELL
Used 3+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
CUALES SON LOS NUMEROS QUE BALANCEA LA SIGUIENTE REACCION
H3PO4 -------- H2O + H4P2O7
2 ----- 1 + 2
2 ----- 1 + 1
2 ----- 3 + 1
4 ------ 2 + 2
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
ENCONTRAR LOS NUMEROS QUE BALACEAN LA SIGUIENTE ECUACION
Ca3P2 + H2O -------- Ca(OH)2 + PH3
2 + 12 ------- 5 + 5
2 + 12 ----- 6 + 4
2 + 6 ----- 4 + 10
2 + 12 ---- 6 + 2
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
CUALES SON LOS NUMETOS QUE BALANCEAN LA SIGUIETE REACCION?
NH3 + O2 ------ H2O + N2
1 + 5 ---- 3 + 0
2 + 6 --- 3 + 1
2 + 1 --- 3 + 1
0 + 3 --- 2 + 0
4.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
BALANCEA LA SIGUIENTE REACCION
BaCl2 + Na2SO4 ----- BaSO4 + NaCl
2 + 2 --- 2 + 4
4 + 4 ---- 4 + 8
2 + 2 ---- 8 + 4
2 + 6 ---- 8 + 7
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
BALANCEA LA SIGUIENTE REACCION
KClO4 ------ KCl + O2
5 + 6 ---- 5 + 6
2 ---- 2 + 4
6 ----- 5 + 6
0 ---- 2 + 1
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
EN LA SIGUIENTE REACCION, MENCIONA QUIEN SE OXIDA Y QUIEN SE REDUCE Y CUANTOS ELECTRONES GANAN O PIERDEN
HBr + H2SO4 ------ Br2 + SO2 + H2O
Azufre se oxida y gana 2 e
Bromo se reduce y pierde 2 e
Bromo se oxida y pierde 3 e
Azufre se reduce y gana 3 e
Bromo se oxida y gana 5 e
Azufre se reduce y pierde 5 e
Bromo se oxida y pierde 1 e
Azufre reduce y gana 2 e
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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