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
svetlana [45]
3 years ago
9

Please help! Which Zeros are significant in the measurement .0506010 kg?

Chemistry
1 answer:
Vitek1552 [10]3 years ago
7 0
It would be a,b,c as the answer. hope this helps!
You might be interested in
Calculate the energy required to heat of ethanol from to . Assume the specific heat capacity of ethanol under these conditions i
Marianna [84]

Answer:

17 kJ

Explanation:

Calculation for the Calculate the energy required to heat 0.60kg of ethanol from 2.2°C to 13.7°C.

Using this formula

q = mC∆T

Where,

q represent Energy

m represent Mass of substance=0.60kg=600g

C represent Specific heat capacity=2.44J·g−1K−1.

∆T represent change in Temperature=2.2°C to 13.7°C.

Let plug in the formula

q=(0.60 kg x 1000 g/kg)(2.44 J/gº)(13.7°C-2.2°C)

q = (600g)(2.44 J/gº)(11.5º)

q=16.836 kJ

q= 17 kJ (Approximately)

Therefore the energy required to heat 0.60kg of ethanol from 2.2°C to 13.7°C will be 17 kJ

5 0
3 years ago
Ice melts after adding heat. The free energy is ————— !
katovenus [111]
Answer: F. Endothermic…………………
4 0
3 years ago
What is the ionic compound name for fe2o3?
aliya0001 [1]
IT is called Iron(iii)oxide
3 0
3 years ago
Comparing weak acids and strong acids of equal concentrations which of the following statements is true The pH of the weak acid
Firlakuza [10]

Answer:

the true statement is... The pH of the weak acid will be higher than the pH of the strong acid

Explanation:

pH is a measured of the extent to which acids dissociate into ions when plced in aqueous solution.

Strong acid dissociate near-completely, and weak acids barely dissociate.

At equal concentrations, a strong acid will have a lower pH than a weak acid, since the strong one will donate more proton to the solution.

6 0
3 years ago
1. Ibuprofen (C13H18O2) is the active ingredient in many nonprescription pain relievers. Each tablet contains 200 mg of ibuprofe
Dmitry_Shevchenko [17]

Answer :

The molar mass of ibuprofen is, 206.29 g/mole.

The number of moles of ibuprofen in a single tablet is, 0.000969 moles

The number of moles of ibuprofen in four doses is, 0.007752 moles

Solution : Given,

Molar mass of carbon = 12.01 g/mole

Molar mass of hydrogen = 1.01 g/mole

Molar mass of oxygen = 15.99 g/mole

1) Now we have to calculate the molar mass of ibuprofen.

Molar mass of ibuprofen, C_{13}H_{18}O_2 = (13\times 12.01)+(18\times 1.01)+(2\times 15.99)=206.29g/mole

The molar mass of ibuprofen = 206.29 g/mole

2) Now we have to calculate the moles of ibuprofen.

Formula used : Moles=\frac{Mass}{\text{ Molar mass}}

Given : Mass of ibuprofen = 200 mg = 0.2 g         (1 mg = 1000 g)

\text{ Moles of ibuprofen}=\frac{\text{ Mass of ibuprofen}}{\text{ Molar mass of ibuprofen}}=\frac{0.2g}{206.29g/mole}=0.000969moles

The moles of ibuprofen = 0.000969 moles

3) Now we have to calculate the number of moles of ibuprofen for four doses.

Number of tablets in one dose = 2

Total number of tablets in 4 doses = 4 × 2 = 8

Number of moles of ibuprofen in 8 tablets =

\text{ Number of moles of ibuprofen in 1 tablet}\times \text{ Total number of tablets}=0.000969\times 8=0.007752moles

6 0
3 years ago
Read 2 more answers
Other questions:
  • Which is not a functional group<br><br><br>A. Carboxyl <br>B. Halide<br>C. Hydroxyl<br>D. Protein
    12·1 answer
  • Which of these is not a property owner of a mineral
    15·2 answers
  • Which drawing below best represents hydrogen bonding methanol, ch3oh?
    12·1 answer
  • What is the special state of matter that exist last at extremely high temperatures?
    6·1 answer
  • HELP PLZ !!!!! !!!!
    10·1 answer
  • Enter a net ionic equation for the reaction between nitric acid and calcium hydroxide.
    11·1 answer
  • What are limitations of a conclusion? I am doing a science lab write-up and under the conclusion it asks for limitations of the
    10·1 answer
  • Calculate the gravitional force in between two object of mass 25kg and 20kg if distance between them is 5m?
    7·1 answer
  • Which best describes the octet rule? (*hint- octet rule relates to
    14·1 answer
  • In a terrarium, the pincushion moss, the echeveria, and the moon cactus make up which of the following? Select all that apply. A
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!