1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Mekhanik [1.2K]
3 years ago
7

When 0.2mol of calcium reacts with 880g of water 2.24L of hydrogen gas form at STP How would the amount of hydrogen produced cha

nge if the volume of water was decreased to 440mL 400g?
Chemistry
1 answer:
Mila [183]3 years ago
4 0
It would half, you have half the amount of reactant and so you would only produce 1.12 litres of hydrogen
You might be interested in
Calculate the number of joules released when 72.5 grams of water at 95.0 degrees Celsius cools to a final temperature of 28.0 de
Airida [17]
Water's specific heat capacity is 4200 J/Kg°C
95-28=67
72.5grams in kg is 0.0725kg
Energy = 67×0.0725×4200
Energy = 20,401.5 J or 20.4015 kJ
7 0
3 years ago
43 moles feci3 are dissolved in 0.64l of solution what is the molarity of the solution
nasty-shy [4]
Molarity=moles/liter
molarity=43/0.64
molarity=67.19moles/litre
4 0
3 years ago
Which of the following is a strong acid?
4vir4ik [10]

H2SO4 is referred to as a strong acid and is denoted as option A.

<h3>What is an Acid?</h3>

This refers to any substance which tastes sour when in water and changes the color of blue litmus paper to red. It is usually very corrosive and are used in industries for different functions.

H2SO4 is referred to as a strong acid because it dissociates completely in its aqueous solution or water.

Read more about Acid here brainly.com/question/25148363

#SPJ1

3 0
2 years ago
What is the temperature of 0.500 moles of a gas that is stored in a 2.50 L container under 13.0 atm of pressure?
faust18 [17]
<h2>Answer:</h2>

Moles of a gas = 0.500

Volume = 2.50 L

Pressure = 13. atm

Temperature = ?

Solution:

Formula:

                       PV = n RT

Putting the values in formula:

 T = PV/nR = 13 * 2.5 / 0.5 *  0.082057

   =  32.5/0.041 = 792.68 K

                    T = 792.68 K

3 0
3 years ago
What is national flower of nepal?
Vanyuwa [196]

Answer:

national flower : Rhododendron

national animal : cow

national bird : Himalayan Monal

4 0
2 years ago
Other questions:
  • Which of the following reactions could be used to power a battery because of the transfer of electrons?
    8·1 answer
  • Gamma rays are often used to kill microorganisms in food, in an attempt to make the food safer. Some people contend that this ir
    15·1 answer
  • Final setup in scientific method
    9·1 answer
  • Most metals are solid at room temperature, malleable, ductile, good conductors of heat and electricity, and react in acids to pr
    14·2 answers
  • 70 points and will give brainliest
    7·1 answer
  • Which type of atom has the strongest attraction for electrons in bond formation? barium (Ba) chlorine (Cl) iodine (I) strontium
    14·2 answers
  • Iron react with oxygen to form Iron (III) Oxide. How many moles of iron (III) Oxide is in 138.5g?
    15·1 answer
  • Which two chemical equations model double-replacement reactions?
    8·2 answers
  • Formula for calculating pressure​
    6·1 answer
  • ______________ is a durable material and is widely used for casting, which is a process by which the melted material is poured i
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!