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
masha68 [24]
3 years ago
7

A student in your class suggests that when most people watch exciting sporting events on television , their pulse rates increase

. what is a reliable way to find out if this statement is correct ?
Chemistry
1 answer:
pashok25 [27]3 years ago
5 0
DO STUFF!!! XD but really you would record there heartbeat per minute and record there normal rate and the rate watching sports!
You might be interested in
2Al + 3H2SO4 -> Al2(SO4)3 + 3H2How many grams of aluminum sulfate would be formed if 250g H2SO4 completely reacted with alumi
bazaltina [42]

Answer:

290.82g

Explanation:

The equation for the reaction is given below:

2Al + 3H2SO4 -> Al2(SO4)3 + 3H2 now, let us obtain the masses of H2SO4 and Al2(SO4)3 from the balanced equation. This is illustrated below:

Molar Mass of H2SO4 = (2x1) + 32 + (16x4) = 2 + 32 +64 = 98g/mol

Mass of H2SO4 from the balanced equation = 3 x 98 = 294g

Molar Mass of Al2(SO4)3 = (2x27) + 3[32 + (16x4)]

= 54 + 3[32 + 64]

= 54 + 3[96] = 54 + 288 = 342g

Now, we can obtain the mass of aluminium sulphate formed by doing the following:

From the equation above:

294g of H2SO4 produced 342g of Al2(SO4)3.

Therefore, 250g of H2SO4 will produce = (250 x 342)/294 = 290.82g of Al(SO4)3

Therefore, 290.82g of aluminium sulphate (Al(SO4)3) is formed.

7 0
3 years ago
A large company has recently suffered a traumatic workplace shooting. What forensics professional will executives most
olga_2 [115]

Answer:

The answer is forensic sociologist

I just took the exam and it’s rights

3 0
3 years ago
Energy from the sun is transferred to the earth by:
pickupchik [31]
D.radiation that’s the right answer
4 0
3 years ago
If the frequency of a wave is 68 hertz then the period of the wave is going to be
tigry1 [53]
The answer is 4.41x10^1 m.

Explanation:

You would use this formula to calculate it
λ = C/f

Where,

λ (Lambda) = Wavelength in meters

c = Speed of Light (299,792,458 m/s)

f = Frequency

So we have the frequency, 68 Hz, and we have the speed of light. Now we put it into the equation and it will look like this:


λ= (299,792,458 m/s) / (68 Hz)

λ= 4.41x10^1


6 0
3 years ago
Read 2 more answers
PLEASE HELP, WILL MARK BRAINLIEST!
Andrej [43]

Answer:

C

Explanation:

7 0
3 years ago
Other questions:
  • Using the following combustion reaction, describe how it follows the laws of conservation of mass and energy. CH 4 +2O 2 CO 2 +2
    15·1 answer
  • Check my answers please? Only 5...Will reward medal to best answer and perhaps become a fan! :)
    15·1 answer
  • Which substance is a diatomic molecule
    10·2 answers
  • Phosphagens are a group of molecules that includes creatine phosphate (in vertebrates), and arginine phosphate, lombricine, and
    9·1 answer
  • The density of water is 1.00 g/cm3. The density of ice is 0.92 g/cm3. By what percent is the volume increased when water is froz
    8·2 answers
  • The process of asking questions is known as
    13·2 answers
  • Un aerosol contine 350 ml de gas en su interior . Su presion es de 5 atm. Un estudiante coloca un arosol en una bolsa plastica y
    14·1 answer
  • How do I know which element comes first in the formula for a binary molecular compound if i just have the two elements, not the
    15·1 answer
  • 19. What is Planck's law?<br> F = MA<br><br> F = hm<br><br> O E= hf<br><br> E = mc (squared)
    6·1 answer
  • Can tissue samples be deproteinized for measurement of NAPD/NADPH with 4%w/v sulfosalycilic acid?​
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!