Answer:
36290 min = 604.8 hr.
Explanation:
1 lbs = 453.59237 grams.
∴ 2 lbs = 907.18474 grams.
<em><u>Using cross multiplication:</u></em>
500 mg of iron oxide dissolved → 20 minutes.
907184.74 mg of iron oxide dissolved → ??? minutes.
<em>∴ The time needed to dissolve 2 lbs of iron oxide =</em> (907184.74 mg)(20 min)/(500 mg) = <em>36290 min = 604.8 hr.</em>
Answer:
i dont think its walking to school because that doesn't use any resources.
Explanation:
i think its driving a car because we use gasoline for that and for sailing we use the wind. hopefully that helps.
Answer:
the second one looks like it so I picked the second one
Answer:
Partial positive on hydrogen and partial negative charge on oxygen atom
Explanation:
Answer:
Hydrochloric acid reacts with the materials to produce bubbling, or fizzing, a gas, and heat.
Explanation:
