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
anzhelika [568]
3 years ago
15

How does a refracting telescope work?

Chemistry
1 answer:
Yakvenalex [24]3 years ago
7 0

Answer:

D

Explanation:

because convex lenses bend light inward

You might be interested in
Test tubes are used mostly for _____. A. storing experimental samples B. making precise measurements of liquids C. containing ex
Annette [7]

Answer: A) Storing experimental samples

Explanation:

It is a common piece of laboratory glassware that can be made of glass or plastic and is opened at the top and closed at the bottom.

It cannot be used for measurements because there is no graduation indicating the volume.

Althought it can contain extra chemicals left over from an experiment, it is not the main proposal of the glassware that is to store samples.

It cannot be used in a microscope and the object for that is a microscope slide.

8 0
3 years ago
Formula of <br> Al³⁺ and SO₄²⁻
Sergio039 [100]

Answer:

The formula of Al³⁺ and SO₄²⁻ is aluminum sulfate.

Explanation:

The formula for aluminum sulfate is Al₂(SO₄)₃. If we say in terms of ions. The ions are Al³⁺. It is a positive ion or the cation. Other ion is SO₄²⁻. It is sulfate ion. It is anion.

Aluminum sulphate is used in water purification and as a mordant in dyeing and printing textiles.

Hence, the formula of Al³⁺ and SO₄²⁻ is aluminum sulfate.

3 0
3 years ago
What is the role of roughages in the balanced diet​
ira [324]
Roughage, also known as Dietary fibre is thought to play an important role in digestive health, heart health, preventing Type 2 diabetes, as well as maintaining energy levels.
5 0
3 years ago
The properties of a compound are ____ the properties of the element that form it
Pie
The properties of a compound are different than the properties of the element that forms it
8 0
3 years ago
If you know your acid concentration is .650 M and you used 15.00 mL, what was the concentration of the base if you needed 35.5 m
Anvisha [2.4K]

Answer:

0.29

Explanation:

Since the name of the acid (and the equation) is not given, you must assume that it is a 1:1 ratio. Use equation: volume of acid x molarity of acid = volume of base x molarity of base (when the ratio is 1:1).

5 0
4 years ago
Other questions:
  • Biology
    8·2 answers
  • 1. Diversas industrias metalúrgicas operan en base al derretimiento de los metas en grandes hornos industriales, para poder darl
    6·1 answer
  • Calculate the molality of a solution that is prepared by mixing 25.5 ml of ch3oh (d = 0.792 g/ml and 387 ml of ch3ch2ch2oh (d =
    13·2 answers
  • Which state of matter has particles that vibrate in a rigid structure
    12·1 answer
  • Initially a NaOH solution was standardized by titration with a sample of potassium hydrogenphthalate, KHC8H4O4, a monoprotic aci
    15·1 answer
  • Poly(ethylene terephthalate) (PET), which has glass transition (Tg) and crystalline melting (Tm) temperature of 69 and 267 °C, r
    6·1 answer
  • What is the application of chemistry​
    15·1 answer
  • Identify the relationship between &lt;2 and &lt;4*
    11·1 answer
  • A logical conclusion based on observations is called an inference.
    9·2 answers
  • C. By examining the physical and chemical properties of evidence at a crime scene, investigators can
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!