Answer:
B) 1, 2, 2, 1
Step-by-step explanation:
In given equation:
Left side: Right Side:
2 Na 1 Na
1 S 1 S
1 H 2 H
1 Cl 1 Cl
To equal the number of Na and H atoms on both sides, HCl and NaCl will have a coefficient of 2 to balance the equation while Na₂S and H₂S will have a coefficient of 1.
1 Na₂S + 2 HCl ⇒ 2 NaCl + 1 H₂S
Answer:
10
Step-by-step explanation:
10 workers working 2 hours a day is 2*10=20 work hours per day
2 workers working 5 hours a day is 2 *5=10 work hours per day
Per day 1/2 as many work hours so will take 2 times as long.
5*2 = 10 days
There would be 8 pickup trucks in the parking lot.
It causes the breakdown and decay to the rocks. It occurs when the weather water is slightly acidic.
Answer:
I don't get it
Step-by-step explanation:
