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
Serjik [45]
3 years ago
11

H2 Express the mass to three significant figures.

Chemistry
1 answer:
andreev551 [17]3 years ago
7 0

Answer:

1.01 amu

Explanation:

Published atomic mass = 1.00797amu => 1.01 amu (3 sig-figs)

You might be interested in
Why has Earth's climate changed so rapidly in recent years?
ser-zykov [4K]
I believe it’s C , People are burning too many fossil fuels .
5 0
3 years ago
A runner wants to run 13.1 km . She knows that her running pace is 6.2 mi/h .How many minutes must she run? Hint: Use 6.2 mi/h a
frutty [35]

Answer:

  • <u>79 minutes</u>

Explanation:

1)<u> Convert the distance, 13.1 km to miles</u>

  • Conversion factor:

        1 = 1 mi / 1.61 km

  • 13.1 km [ 1 mi /  1.61 km ] = 8.1336 mi

2)<u> Use 6.2 mi/h as a converstion factor between distance and time</u>

  • 8.1366 mi × 1 / [6.2 mi/h] = 1.3124 h

3) <u>Convert 1.3124 h to minutes</u>

  • 1.3124 h × [ 60 min/h] = 78.7 min

Rounding to the nearest minutes (two significant figures):

  • 79 min ← answer
4 0
3 years ago
What do organisms do with the organic carbon
irina1246 [14]
Causes carbon to move from one reservoir to another
4 0
4 years ago
Why do farmers spray water over their crops before a frost?
Nezavi [6.7K]

Answer:

When water freezes and turns into ice, it releases latent heat. Then, the ice that builds up on the plant will insulate it from the colder surrounding air temperatures. Because of this, some growers choose to spray their crop with water before the freeze occurs.

Explanation:

5 0
3 years ago
Methane to acetylene?? ​
Anestetic [448]

Answer:

For me it's Methane

3 0
3 years ago
Other questions:
  • List the two main types of energy.
    6·1 answer
  • What statement correctly defines dynamic equilibrium
    5·1 answer
  • PLZ HURRY I NEED SOME HLEP
    6·2 answers
  • Suppose you are asked to determine whether a nugget is made of gold on the basis of its density. You weigh the nugget and find t
    8·1 answer
  • If 65.0 mL of 0.150 M HCl ( aq ) is needed to neutralize all the NH 3 ( g ) from a 2.25 g sample of organic material, calculate
    15·1 answer
  • Which is true about nuclear decay
    9·1 answer
  • Problem PageQuestion Liquid hexane CH3CH24CH3 will react with gaseous oxygen O2 to produce gaseous carbon dioxide CO2 and gaseou
    13·2 answers
  • It’s due in 5 minutes pls help!!..
    10·1 answer
  • When would scientists need to change a theory?
    12·2 answers
  • If an object goes through a chemical reaction but does not change in mass that object has
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!