Answer: The 
for the given chemical reaction is -175.51 kJ/mol
Explanation: Enthalpy change of the reaction is defined as the amount of heat released or absorbed in a given chemical reaction.
Mathematically,
We are given a chemical reaction. The reaction follows:
Enthalpy change for the reaction of he given chemical reaction is given by:
Putting the values in above equation, we get
Answer:
sublime, melt, condense, deposit
Explanation:
1. When ice is warmed at a steady pressure 0.00512 atm, it will be sublime.
2. It will be melt when ice is warmed at a consistent pressure of 1 atm.
3. If water vapour pressure is continued to increase at a temperature of 100 C, it will be condense.
4. If water vapour pressure is continued to increase at a temperature of -50 C, it will be deposited.
To answer the problem given:
|0.53−4.0| / 4.0 * 100%
= 3.47 / 4.0 * 100%
= 87%
The maximum theoretical percent recovery from the
crystallization of 4.0 g of acetanilide from 100 ml of water is 87%. I
am hoping that this answer has satisfied your query and it will be able to help
you in your endeavor, and if you would like, feel free to ask another question.
The answer is isotonic solution. These are solutions where
the solute concentration in the solution and inside the cells are levelled and consequently
water flows consistently. When red blood cells are positioned in an isotonic
solution the cells would always stay the same.
Answer
its a potassium elements
Explanation:
K 2,8,8,1 period num 4
group 1A
or 1s1 ,2s2 2p6, 3s1
its a metal reacted rapidly with water to form a colorless basic solution of potassium hydroxide (KOH) and hydrogen gas (H2). The reaction continues even when the solution becomes basic. The resulting solution is basic because of the dissolved hydroxide. The reaction is exothermic.
