The heat absorbed can be calculate using the equation:
Answer:
Ba is a metal while F is non metal
Answer: 40cm^3
Explanation:
Since the The air today is approximately one-fifth oxygen, the approximate volume of oxygen in 200cm3 of air would be:
= 1/5 × 200
= 40cm
The answer is 40cm^3
Answer: <u>b</u><u>a</u><u>l</u><u>e</u><u> </u><u>2</u><u> </u><u>e</u><u>l</u><u>e</u><u>m</u><u>e</u><u>n</u><u>t</u><u>s</u><u> </u><u>s</u><u>y</u><u>a</u><u> </u><u>a</u><u>n</u><u>g</u><u> </u><u>m</u><u>g</u><u>a</u><u> </u><u>y</u><u>o</u><u>n</u><u> </u><u>a</u><u>y</u><u> </u><u>h</u><u>y</u><u>d</u><u>r</u><u>o</u><u>g</u><u>e</u><u>n</u><u> </u><u>a</u><u>t</u><u> </u><u>o</u><u>x</u><u>y</u><u>g</u><u>e</u><u>n</u><u>.</u>
H2O is a molecule made of H for hydrogen and O for oxygen. There are 12 of these molecules. The smaller number is the number of atoms of the element to the left of it.
<em>M</em><em>A</em><em>R</em><em>K</em><em> </em><em>M</em><em>E</em><em> </em><em>A</em><em>S</em><em> </em><em>A</em><em> </em><em>B</em><em>R</em><em>A</em><em>I</em><em>N</em><em>L</em><em>I</em><em>E</em><em>S</em><em>T</em><em> </em><em>P</em><em>L</em><em>E</em><em>A</em><em>S</em><em>E</em>
Answer:
Reactants disappear while the Products appear
Explanation: