1) Carbon dioxide is a gas, so when $CO_{2}$ is evolved in the reaction, it appears as bubbles. The gas released extinguishes the fire and it can turn lime water milky.

$Ca(OH)_{2} (aq) + CO_{2}(g) ----> CaCO_{3}(s) +H_{2}O(l)$

2) When $NH_{3}$ is released in a decomposition reaction we can identify by the strong pungent smell of the gas released.

3) Saturated citric acid can cause corrosion of the metal layers present in the pipes. So, before draining out any acid it is neutralized so that the pipes and other plumbing works do not get damaged leading to leaks in the drainage system.

5 0

3 years ago

Nuclear fission reactions can produce different radioisotopes. One of these radioisotopes

hichkok12 [17]

Based on the information provided,

The evidence that this nuclear reaction reaction represent transmutation is it formed different elements

hope this helps

7 0

3 years ago

What is the de broglie wavelength of a 0.17-kg hockey puck moving at 37 m/s ?

Stolb23 [73]

Im taking lambda as x (wavelength)

m = 0.17 kg

v=37m/s

h=6.62*10^-34m²kg/s

x= h/mv

$x = 6.62 \times 10 ^{ - 34} \div 0.17 \times 37$
$x =1.05 \times {10}^{ - 34} m$

5 0

2 years ago