Density is the ratio of mass of as substance per unit volume of the same substance.
mass (20g)
volume (2cm3)
20g divide by 2cm3
therefore density is 10gcm-3
The iron uses heat waves to flatten the shirt. You can also you water to help the process and create steam. The steam will help soften the shirt making it easier to flatten. I am not sure if this is correct but it should help to understand why the shirt gets hot.
<span>a. They produce ions when dissolved in water.
acids in water
</span>
<span>HA + H2O --> H3O+ + A-</span>
HA --> H+ + A<span>-</span>
bases
B + H2O --> OH - + BH+
Answer:
the answer to the qustion is 0.013089701 na
Explanation:
n/a
