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
Neko [114]
3 years ago
13

Looking at the following equation, what coefficient should be placed in front of the H2? Fe + H2SO4 --> Fe2(SO4)3 + H2

Chemistry
1 answer:
Hatshy [7]3 years ago
6 0

Answer:

3 (three)

Explanation:

2 Fe + 3H2SO4 = Fe2(SO4)3 + 3 H2 (basically just balance both sides)

You might be interested in
A sample of gas has a pressure of 742 torr. What is the pressure in atmospheres?
ycow [4]

Answer:742 torr= approximately 0.976 atm

Explanation:

Since we know that one atm= 760 torr, we can compute the following calculation:

(742 torr/1)*(1atm/760torr)=0.976316 atm

Remember sig figs (3) to round it to 0.976 atm

\frac{742 torr}{1}*\frac{1 atm}{760 torr}=0.976316=0.976 atm

(torr cancels out and we're left with atm)

Hope this helps :)

8 0
3 years ago
How does the length of the day affect the seasonal temperature
astra-53 [7]

The longer the day, the solar radiation is absorbed and the higher the temperature is.

I hope you have a great rest of your day!

❤

6 0
3 years ago
5. Base your answer to the question on the particle diagrams
Luden [163]

Answer:sample 3

Explanation:because if only have one kind of substance which makes it pure

7 0
3 years ago
How many grams of hydrogen are in "69" g of ch4o?
nasty-shy [4]

Answer:

             8.62 g of Hydrogen

Solution:

Molar mass of CH₄O (Methanol) is 32 g.mol⁻¹.

It means,

                  32 g of CH₄O contains  =  4 g of Hydrogen

Then,

             69 g of CH₄O will contain  =  X g of Hydrogen

Solving for X,

                    X  =  (69 g × 4 g) ÷ 32 g

                    X  =  8.62 g of Hydrogen

6 0
3 years ago
How much heat is required to heat 5.25 g of water h2o from 5.5?
Evgen [1.6K]
Heat = mass * heat capacity of water * change in temperature mass = 5.25 g heat capacity of water = 4.186 joule/gram °C Change in temperature = 62.8°C - 5.3°C = 57.5 °C Plug in the values heat = 5.25 g * 4.186 joule/gram °C * 57.5 °C = 1263.6 J Rounded to two three significant figures, it is 1260 J of energy needed. In terms of calories, the heat capacity of water is 1 calorie/gram °C. So do the plugging in all over again. mass = 5.25 g heat capacity of water = 1 calorie/gram °C Change in temperature = 62.8°C - 5.3°C = 57.5 °C heat = 5.25 g * 1 calorie/gram °C * 57.5 °C = 301.9 calories Rounded to 3 significant figures, it is 302 calories Q=SM∆T=4.18*5.25*(62.8-4.3)=1280 J 1280 J * (1 cal/4.18 J) = 307 cal
5 0
2 years ago
Other questions:
  • The dots in these cylinders represent the shape and
    12·1 answer
  • Suppose you wish to apply SSA to a triangle, in order to find an angle
    6·1 answer
  • How does the study of cosmology relate to astronomy
    15·1 answer
  • Which are the reactants in this chemical reaction?
    12·2 answers
  • What does pressure do to an equilibrium
    6·1 answer
  • Why is the base of an energy pyramid wider than the top
    7·1 answer
  • PLEASE HELP!!!!!!!!!!!!!!!!!!!! ASAP!!!!!!!!! Which two elements are mainly found in the inner and outer core?
    5·1 answer
  • Please identify each element associated with the orbital notation or electron configuration. Note: One “slash” is one electron,
    15·2 answers
  • Help i dont know what im doing
    8·2 answers
  • assume the given amount of rbf fully dissociates in water. calculate the molarity of a solution if 124.86 g of rbf are dissolved
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!