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H 2 0 (water) indicates there are _____. two hydrogen
A water molecule can bond to up to _____ other water molecules by ____ bonds.
four ... polar covalent four ... hydrogen three ...
1 answer
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Heavy water contains _____ atoms which makes the mass larger than ordinary water.
A. carbon-14 B. oxygen-18 C. hydrogen-2
1 answer
asked by
e
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Fill in the blanks using each word bank
The bonds in methane are _____ because hydrogen and carbon have _____ electronegativity.
1 answer
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in an experiment of oxgen to hydrogen in water molecule. 9g of iron were heated in a current of hydrogen,6.5g of iron and 2.8g
1 answer
asked by
joyce
599 views
1.)Which of the following are chemical changes?
A.)Boiling Of Water B.)Melting A Cube of ice C.)Dissolving 10 grams of salt in
7 answers
asked by
#FreeGucci
1,109 views
1) Which of the following is a chemical change? (1 point)
Boiling of water Melting a cube of ice Dissolving 10 grams of salt in
47 answers
asked by
Skylar
26,797 views
In the decomposition of water, why is twice as much hydrogen as oxygen formed?
Responses There are two atoms of hydrogen and one
1 answer
asked by
mom
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A 1.80-g sample of water contains _____ mole(s) of hydrogen atoms.
1 answer
asked by
Rose
399 views
If you collect hydrogen gas over water at a temperature of 45 degrees celcius, what is the volume of jst te hydrogen if the
1 answer
asked by
regina
662 views
Which one of the following statements about hydrogen is wrong? A. Air and pure hydrogen mixture explodes spontaneously
B.
1 answer
asked by
Rukia
44 views