Answer:
Maybe
Explanation:
the number of hydrogen atom in water is 2..
hope it helps
<span>Litmus paper changes its
color depending on the pH of the solution or the substance and pH is a measure
of the concentration of hydrogen ions of the substance. Turning blue litmus to
pink signifies that the solution is an acid. Therefore, the correct answer among the choices given is option A. A pH of 3.4 will change blue litmus paper to red.</span>
Answer:
False
Explanation:
oxygen doesn't have carbon in it
At STP volume is 22.4 L
Molar mass NO₂ = 46.0 g/mol
1 mole ---------- 22.4 L
? mole ---------- 11.4 L
moles = 11.4 * 1 / 22.4
moles = 11.4 / 22.4
= 0.5089 moles of NO₂
Mass NO₂ :
moles NO₂ * molar mass
0.5089 * 46.0
= 23.4094 g of NO₂
hope this helps!
Closely spaced contour lines represent steep slopes, conversely, contour lines that are spaced far apart represent gentle slopes. Contour lines trend up valleys and form a "V" or a "U" where they cross a stream.