Answer:
Explanation:
Example #1: How many moles of oxygen will occupy a volume of 2.50 L at STP? Standard ... What is the volume of gas at 2.00 atm and 200.0 K if its original volume was ... P2 = 2.00 atm 2.000tm) 273k. T=273k. 200.0k. Tz= 200.0k. V, = 200.0L ... A gas has a pressure of 0.370 atm at 50.0°C. What is the pressure at standard.
 
        
             
        
        
        
Answer:
The answer is "0.0000190 and 2.7 J".
Explanation:

          
Given:

 
by putting the value into the above formula so, the value is 2.7 J  
 
        
             
        
        
        
Answer:
Volume of liquid = 28.7 mL
Explanation:
Given data;
Density of solid = 3.57 g/ml
Mass of solid = 19.5 g
Volume of water = 23.2 mL
Total volume when solid is dropped into graduated cylinder= ?
Solution:
Density = mass/ volume
v = m/d
v = 19.5 g/ 3.57 g/ml
v = 5.5 mL
Volume of liquid = volume of water + volume of solid
Volume of liquid = 23.2 mL + 5.5 mL
Volume of liquid = 28.7 mL
 
        
             
        
        
        
<span>Photolysis and hydrolysis. These are two methods that can be used to break down a compound into simpler substances and smaller units. 
Water which is used to break the bonds of molecules and split molecules is used from hydrolysis. Hydrolysis is made of three types which include; 
1. salt hydrolysis.
2. acid hydrolysis. 
3. Base hydrolysis.
 Photolysis is well known to use energy from light to split the molecule and the same energy is referred to as photons which are used to break builds of molecules.</span>
        
                    
             
        
        
        
Answer: There are 576.46 number of grams present in 16.95 mol hydrogen peroxide  .
.
Explanation:
Number of moles is defined as the mass of substance divided by its molar mass.
The molar mass of  is 34.01 g/mol. Hence, mass of hydrogen peroxide present in 16.95 moles is calculated as follows.
 is 34.01 g/mol. Hence, mass of hydrogen peroxide present in 16.95 moles is calculated as follows.

Thus, we can conclude that there are 576.46 number of grams present in 16.95 mol hydrogen peroxide  .
.