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
melamori03 [73]
3 years ago
9

Compare and contrast reflecting and refracting telescopes. *

Chemistry
1 answer:
Alinara [238K]3 years ago
7 0
A refracting telescope uses convex lenses to gather a large amount of light and focus it onto a small area while a reflecting telescope the mirror instead of an objective lens they are also similar because like the lenses in a refracting telescope the mirror in a reflecting telescope focuses a large amount of light onto a small area.
You might be interested in
Dichloromethane contains strong carbon - hydrogen and carbon- chlorine bonds. Despite the presence of these strong bonds. dichlo
const2013 [10]

Answer:

vot. tofu p f focpxe9d3dotc

Explanation:

circeicirct pupdtoxkr

4 0
3 years ago
Which statement describes an investigation to determine a chemical property? A. determining the reactivity of baking soda and vi
Vika [28.1K]

Answer:

Explanation:

A gives off a visible gaseous product when the two are mixed.

The others all talk about physical properties like phase changes and densities.

5 0
2 years ago
Read 2 more answers
True or False. Isotopes have different chemical properties. Explain why?
Maurinko [17]

Answer:

False

Explanation: isotopes generally have the same physical and chemical properties because they have the same numbers of protons and electrons.

4 0
2 years ago
6 How many moles are in a 321 g sample of magnesium?
Tatiana [17]

Answer:

13.4mol of Mg

Explanation:

Given parameters:

Mass of magnesium = 321g

Unknown:

Number of moles  = ?

Solution:

The number of moles of a substance is given as;

  Number of moles  = \frac{mass}{molar mass}  

 Molar mass of Mg = 24g/mol

 Insert the parameters and solve;

        Number of moles  = \frac{321}{24}   = 13.4mol of Mg

3 0
2 years ago
URGENT !!!! write a letter to the "city council" PLEASE HELP ILL GIVE THE BRAINIEST AND A BUNCH OF POINT !!What happens to pure
aleksley [76]
Bleach and anytype of cleaner like window cleaner or disinfectant is very dangerous because if you mix those two together it might cause a very deadly fume and can cause lung failure and death within about 5 hours
4 0
3 years ago
Other questions:
  • Which energy transformation most likely occurs in a steam iron
    6·1 answer
  • Iron (Fe): [Ar]4s23d6 core electrons valence electrons
    9·2 answers
  • Suppose you have exactly 1 cup (237 g) of hot (100.0 °C) brewed tea in an insulated mug and that you add to it 2.50 × 10² g of i
    15·1 answer
  • WILL MARK AS BRAINLIEST
    9·2 answers
  • An object has a mass of 20 g and a volume of 5 mL what is the objects density
    8·1 answer
  • If distance increases does potential energy increase or decrease?
    9·2 answers
  • A.Identify which of the following substances dissolve in water, explaining why for each example: CH4, He, MgSO4, NaHCO3
    9·2 answers
  • Choose the products that complete the reaction. The chemical equations may not be balanced. HCl + NaOH ? NaCl + H2O NaCl + CO2 +
    8·1 answer
  • Equations can be balanced by using the half-reaction method. Which step should be completed first when using this method?
    15·2 answers
  • What volume is occupied by 22.1 g of O2 at 52°C and a pressure of 1.63 atm?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!