answer.
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
r-ruslan
27 days ago
7

Put the list in chronological order (1–5).

Chemistry
2 answers:
castortr0y [2.7K]27 days ago
6 0

Answer:

The ordered sequence of the steps provided is:

1. Measure and fold the filter paper.

2. Insert the filter paper into the funnel, then position the funnel above the Erlenmeyer flask.

3. Let the solid/liquid mixture pass through the filter.

4. Rinse the filter paper that holds the mixture with water.

5. Measure the weight of the dry filter paper along with the copper.

alisha [2.7K]27 days ago
4 0

Explanation:

Filtration serves as a method of separation where solid particles that are suspended in a liquid are isolated by passing the mixture through filter paper's pores. This process ensures that the solid particles accumulate on the filter paper and the liquid flows out through the filter paper's pores.

The ordered sequence of the steps provided is:

  1. Measure and fold the filter paper.
  2. Insert the filter paper into the funnel, then position the funnel above the Erlenmeyer flask.
  3. Let the solid/liquid mixture pass through the filter.
  4. Rinse the filter paper that holds the mixture with water.
  5. Measure the weight of the dry filter paper along with the copper.
You might be interested in
45.0 g of Ca(NO3)2 are used to create a 1.3 M solution. What is the volume of the solution
Tems11 [2390]
The formula for Molarity is given by:

                                  M = moles / V
To isolate V,
                              V = moles / M ------------------(1)
Moles can also be calculated as:
                                  moles = mass / M.mass -------------(2)
Substituting the value of moles from equation 2 into equation 1 yields:
                                  V = (mass / M.mass) / M
Plugging in the numbers gives:
                                  V = (45 g / 164 g/mol) / 1.3 mol/dm³

                                       V = 0.21 dm³.
6 0
1 month ago
4.05 kg + 567.95 g + 100.1 g add the correct value using the correct sig figs and or least precise degree of precision. When i d
Alekssandra [2711]

To determine the least degree of precision, we must base it on the mass of 4.05 kg or two decimal places. Thus, we add 0.56795 kg (0.57 kg) and 0.1001 kg (0.1 kg), resulting in a total of 4.72 kg.

<span>Conversely, to find the greatest degree of precision, we convert 4.05 kg into grams, which gives us 4050 g. Therefore, summing 4050 g with 567.95 g and 100.1 g yields 4718.05 grams, which rounds to 4718 g.</span>

6 0
15 days ago
A crystallographer measures the horizontal spacing between molecules in a crystal. The spacing is
castortr0y [2731]

Answer: The overall width of a crystal measures 1.65 mm.

Explanation:

Horizontal distance separating the two molecules is 16.5 nm.

Width of the 10^5 molecules:16.5 nm\times 10^5=16.5\times 10^5 nm

1 nm=10^{-6} mm

The overall width of a crystal measured in millimeters=16.5\times 10^5\times 10^{-6} mm=1.65 mm

The overall width of a crystal is 1.65 mm.

7 0
1 month ago
Read 2 more answers
Infrared spectroscopy is a useful tool for scientists who want to investigate the structure of certain molecules. Which of the f
KiRa [2711]

Answer: The energies of infrared photons are comparable to those linked with various vibrational states of chemical bonds. Molecules can absorb infrared photons of specific wavelengths, highlighting the types and strengths of different chemical bonds present within the molecules.

Explanation:

Infrared spectroscopy evaluates the vibrational energy states found in molecules. When a molecule absorbs infrared photons, the chemical bonds vibrate at distinct frequencies. Scrutinizing the alterations in vibrational energy within a molecule allows for the identification of different bond types and consequently the molecule’s general structure. The vibrational behaviors of a molecule encompass bending, stretching, and scissoring motions.

4 0
1 month ago
To save time you can approximate the initial volume of water to ±1 mL and the initial mass of the solid to ±1 g. For example, if
castortr0y [2731]

Answer:

The correct options include choice 2, 3, and 6.

Explanation:

Density is identified as the mass of a substance per unit volume occupied by that substance.

Density=\frac{Mass}{Volume}

The density remains constant for a given substance, regardless of variations in mass and volume hence it is considered an intensive property.

2. 20.2 g of silver in 21.6 mL of water and 12.0 g of silver also in 21.6 mL of water.

3. 15.2 g of copper in 21.6 mL of water and 50.0 g of copper in 23.4 mL of water.

6. 11.2 g of gold in 21.6 mL of water and 14.9 g of gold in 23.4 mL of water.

The same metals in both instances will yield consistent densities due to the fixed density of the metal.

7 0
1 month ago
Other questions:
  • In a reaction, gaseous reactants form a liquid product. The heat absorbed by the surroundings is 1.1 MJ, and the work done on th
    11·1 answer
  • Which of the following accurately represents a carbon source and the process that releases carbon from that source? A. Fossil fu
    7·1 answer
  • In the mass spectrum of the molecule phenol, C6H5OH, the approximate intensity of the peak at m/z 95, relative to the molecular
    9·1 answer
  • Assuming that only the listed gases are present, what would be the mole fraction of oxygen gas be for each of the following situ
    5·1 answer
  • A gas at 928 kpa, 129 C occupies a volume of 569 L. Calculate the volume at 319 kpa and<br> 32 C.
    10·1 answer
  • Which substance can be decomposed by chemical means?
    12·2 answers
  • Find the specific heat of sikver in J/g C if 38.5 cal is required to heat 25.0g of silver from 31.5 C to 58.7 C (1cal=4.184 J)
    5·1 answer
  • What is the ratio of Srmc004-1.jpg ions to Brmc004-2.jpg ions in a neutral compound? 1:1 1:2 2:1 3:2
    8·2 answers
  • what does the number of the places after the decimal in a measurement tell you about the precision of the instrument that record
    8·1 answer
  • Compounds A and B are colorless gases obtained by combining sulfur with oxygen. Compound A results from combining 6.00 g of sulf
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!