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The rock in a lead

A 100 kg ball of lead rests next to a 10 kg rock. Which statement below is true?a. the lead ball and the rock have equal amounts
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2. asked by Trang
3. 600 views
A kg ball of lead rests next to a 10 kg rock. which statement below is true:a:the lead ball and rock have the same amount of
1. 1 answer
2. asked by ellen
3. 542 views
A moon rock collected by a U.S. Apollo mission is estimated to be 3.70 billion years old by uranium/lead dating. Assuming that
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2. asked by josh
3. 12,027 views
A moon rock collected by a U.S. Apollo mission is estimated to be 4.50 billion years old by uranium/lead dating. Assuming that
1. 2 answers
2. asked by alice
3. 4,328 views
A rock containing 238U and 206Pb was examined to determine its appropriate age. The molar ratio of 206Pb to 238U was 0.1462.
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2. asked by Jay
3. 910 views
A rock containing 238U and 206Pb was examined to determine its appropriate age. The molar ratio of 206Pb to 238U was 0.1462.
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2. asked by Jude
3. 642 views
analysis of another rock shows that it contains 60% of its original element; the other 40% decayed into lead. How old is the
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2. asked by james
3. 438 views
The rock in a lead ore deposit contains 84% PbS by mass. How many kilograms of the rock must be processed to obtain 1.0 kg of
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2. asked by Kate
3. 868 views
The rock in a lead ore deposit contains 84% PbS by mass. How many kilograms of the rock must be processed to obtain 1.1 kg of
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2. asked by hannah
3. 467 views
The rock in a lead ore deposit contains 84% PbS by mass. How many kilograms of the rock must be processed to obtain 1.0 kg of
1. 1 answer
2. asked by Sarahi
3. 816 views