Physics, 03.12.2021 05:00 bellabasketball5173
Students were given the following sets of items and asked, for each set, to identify which item had greater thermal energy. For which set would this task be most difficult? Explain.
Set 1: 5 g of iron at 45°C and 10 g of iron at 45 °C
Set 2: 10 g of water at 30°C and 10 g of water at 50°C
Set 3: 32 g of copper at 50°C and 32 g of nickel at 50°C
Answers: 1
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What is the type of the reaction below? bacl2 + h2so4 → 2 hci + baso4 double replacement synthesis single replacement decomposition
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Examine the equation. 23490th→23088ra+42he what kind of barrier would you need to block the radioactive particles from this reaction? a.a piece of paper b.a sheet of aluminum foil c. a two-inch block of lead d. a solid concrete block
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Physics, 22.06.2019 09:30
Astone is dropped from a cliff and falls 9.44 meters. what is the speed of the stone when it reaches the ground? a. 13.6 m/sec b. 1.39 m/sec c. 185 m/sec d. 9.80 m/sec
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Physics, 22.06.2019 16:30
If anyone who can me with this hw? i would really appreciate it
Answers: 2
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