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Author Question: How much does it cost to operate a 25-W soldering iron for 8.0 hours if energy costs 8.0/kWh? A) ... (Read 70 times)

a0266361136

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on: Jul 29, 2018
How much does it cost to operate a 25-W soldering iron for 8.0 hours if energy costs 8.0/kWh?
 
  A) 25 B) 1.50 C) 16 D) 1.6

Question 2

How much energy is released when 1.40 g of 3H have decayed to 3He? The mass of 3He is 3.016029 u, the mass of 3H is 3.016049 u, and 1 u = 931.494 MeV/c2.
 
  A) 23,900 J B) 71,700 J C) 830 J D) 7970 J E) 11,900 J
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jamesnevil303

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Reply #1 on: Jul 29, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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a0266361136

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Reply 2 on: Jul 29, 2018
Gracias!

Joy Chen

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Reply 3 on: Yesterday
:D TYSM

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