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
tester [92]
3 years ago
9

Definition of science method

Chemistry
1 answer:
valkas [14]3 years ago
3 0

The scientific method is defined as a method of research in which a problem is identified, relevant data is gathered, a hypothesis is formulated from this data, and the hypothesis is empirically tested.

You might be interested in
A 58.5 g sample of glass is put into a calorimeter (see sketch at right) that contains 250.0 g of water. The glass sample starts
Ket [755]

Answer:

The specific heat capacity of glass is 0.70J/g°C

Explanation:

Heat lost by glass = heat gained by water

Heat lost by glass = mass × specific heat capacity (c) × (final temperature - initial temperature) = 58.5×c×(91.2 - 21.7) = 4065.75c

Heat gained by water = mass × specific heat capacity × (final temperature - initial temperature) = 250×4.2×(21.7 - 19) = 2835

4065.75c = 2835

c = 2835/4065.75 = 0.70J/g°C

5 0
3 years ago
Read 2 more answers
Write the IUPAC names for the following compounds.
atroni [7]
Benzine
Bromine
Clorine
5 0
2 years ago
Which solution has the greatest number of hydroxide ions?
professor190 [17]
Baking soda. to put in the most simple terms..

-OH is the "base" anion
H+ is the "acid" ion

5 0
3 years ago
Read 2 more answers
Balance the following chemical equation <br> __Mg+__O2–&gt;__MgO
mario62 [17]

Answer:

2Mg^+ +O2 right arrow 2MgO

Explanation:

6 0
3 years ago
Read 2 more answers
A 11.97g sample of NaBr contains 22.34 % Na by mass. Considering the law of constant composition (definite proportions), how man
kap26 [50]
<h3>Answer:</h3>

2.125 g

<h3>Explanation:</h3>

We have;

  • Mass of NaBr sample is 11.97 g
  • % composition by mass of Na in the sample is 22.34%

We are required to determine the mass of 9.51 g of a NaBr sample.

  • Based on the law of of constant composition, a given sample of a compound will always contain the sample percentage composition of a given element.

In this case,

  • A sample of 11.97 g of NaBr contains 22.34% of Na by mass
  • Therefore;

A sample of 9.51 g of NaBr will also contain 22.345 of Na by mass

  • But;

% composition of an element by mass = (Mass of element ÷ mass of the compound) × 100

  • Therefore;

Mass of the element = (% composition of an element × mass of the compound) ÷ 100

Therefore;

Mass of sodium = (22.34% × 9.51 g) ÷ 100

                         = 2.125 g

Thus, the mass of sodium in 9.51 g of NaBr is 2.125 g

3 0
3 years ago
Other questions:
  • A beaker contains a 25 mL solution of an unknown monoprotic acid that reacts in a 1:1 stochiometric ratio with NaOH. Titrate the
    5·1 answer
  • How many kilograms of NH3 are needed to produce 1.90x10^5 of (NH4)2SO4? Answer in scientific notation
    15·1 answer
  • When U-238 undergoes radioactive decay by losing an alpha particle, the other product is
    9·2 answers
  • Identify the single displacement reaction. C4H12 + 7O2 ⟶ 6H2O + 4CO2 2H2 + O2 ⟶ 2H2O Al2S3 ⟶ 2Al + 3S Cl2 + 2KBr ⟶ 2KCl + Br2
    8·1 answer
  • Calculate the ΔG for the following system. Then state if the system is spontaneous or not spontaneous. ΔH = 147 kJ ΔS = -67.0 J/
    11·1 answer
  • What is the effect on vapor pressure of a solution with particularly strong solute-solvent interactions? With particularly weak
    8·1 answer
  • How is power generated in a tidal power plant.
    13·1 answer
  • Which type of energy depends on the distance between two particles and the charge of each particle? A. Electrical potential ener
    11·1 answer
  • Help please i would really appreciate it thanks
    10·2 answers
  • Water can be an atom.<br><br> True<br> False
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!