Answer:
The answer is Zn(NO3)2 + 2NaOH => Zn(OH)2 + 2NaNO3.
Explanation:
Zinc is less reactive than Sodium so it will be displaced from NO3- and Sodium will replace Zinc's position.
Answer:
The balloon will instanly freeze and "shatter" :)
Explanation:
The volume of a gas will shrink if its temperature decreases. The cold liquid nitrogen cools the air inside the balloon. As a result the molecules of air slow down causing the volume of the balloon to decrease. :)
Have an amazing day!!
Please rate and mark brainliest!!
<span>Similarities and dissimilarities between the organisms - similar featured organisms will be kept in one group and dissimilar featured organisms in other group. Different features like no. of cells, nature of body surface, nature of body cavity nature of skeleton, nature of locomotion, nature of sexual parts, nature of circulatory system etc.</span>
Answer: 0.45 J / g °C
Explanation: solution attached.
Heat is equal to the product of mass, specific heat and change in temperature.
Q= mc∆T
Derive the equation to find c
c = Q / m∆T substitute the values
c = 21.6 J / 2.0g ( 24°C - 5°C)
c = 0.45 J / g ° C
Average atomic mass is =1.11 u
need brainliest