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
Tcecarenko [31]
2 years ago
6

How many significant figures does 7,874.9640 s have? Submit Question

Chemistry
2 answers:
julia-pushkina [17]2 years ago
8 0

Answer:

8 significant figures

Explanation:

All numbers (that are not zero) are always significant. Because there is a zero at the end of the number after the decimal place, this makes this zero also significant. This zero is significant because it makes the number more precise. Therefore, all of the numbers in this number are significant.

Bond [772]2 years ago
4 0

Answer:

There are 8 sig figs

Explanation:

You might be interested in
What is the mass of bromine gas if it has a pressure of 720 mmHg, volume of 25mL and a temperature of 18.3 degrees Celsius
Annette [7]

Answer:

             Mass = 0.158 g

Explanation:

Formula used,

P V = n R T

Or,

n = P V / R T

Putting values,

n = 0.948 atm . 0.025 L / 0.0821 L.atm.K⁻¹.mol⁻¹ . 291.45

n = 0.00099 mol

Note: we have changed pressure from mmHg to atm, volume from mL to L and temperature from C to K)

Also,

Mass = n . Molecular Mass

Mass = 0.00099 mol × 159.808 g/mol

Mass = 0.158 g

7 0
2 years ago
A sample of an unknown metal has a mass of 120.4 g. As the sample cools from 90.5°C to 25.7°C, it releases 7020 J of energy. Usi
Dafna1 [17]

Answer:

Explanation:

sheesh i wouldn’t know

6 0
3 years ago
Bas +<br> PtF2 →<br> BaF2 +<br> Pts<br> Need to balance it
Basile [38]

it is already balanced

REACTANTS

Barium sulfide (BaS) + platinum (Ii) fluoride

PRODUCT

Barium fluoride (BaF2) + Cooperite (PtS)

Hope this answer helps you dear! take care

5 0
2 years ago
Assessment timer and count
Aneli [31]

Answer:

I think it's the last one.

Explanation:

Because gravity is what makes our planets stay still and stops our planets from dropping and as they orbit around the sun that's what keeps the moon from bumping into earth. I hope this helps and makes sense.

<h3>p.s. can I pls be ur brainliest answer, I'd appreciate it </h3>
3 0
3 years ago
Balance and classify the following equations as synthesis, decomposition, single replacement, double replacement, or combustion:
vodomira [7]
See which one is the bigger equitation to classify the smallest in order
8 0
3 years ago
Other questions:
  • An element with the smallest anionic (negative-ionic) radius would be found on the periodic table in
    9·1 answer
  • When positive externalities are present in a market?
    13·1 answer
  • What is the most abundant gas in our atmosphere? oxygen hydrogen nitrogen water
    8·2 answers
  • What volume of a 2.5 M stock solution of acetic acid (HC2H3O2) is required to prepare 100.0 milliliters of a 0.50 M acetic acid
    12·1 answer
  • Taking a nap in the afternoon makes people more focused for the rest of the day.
    14·2 answers
  • __________ is important to a system because each part of a system relies on the previous work of another part.
    15·2 answers
  • How many atoms are in the mole of magnesium
    9·1 answer
  • How much energy is required to vaporize 1.5 kg of copper? (Refer to table of
    6·1 answer
  • How is synthesis and replacement reactions related?
    5·1 answer
  • How did the masses of objects affect the strength of gravity
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!