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
vampirchik [111]
3 years ago
7

NEED HELP ASAP!!

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

Answer:

length

Explanation:

The metre is defined as the length of the path travelled by light in a vacuum in 1299 792 458 of a second. The metre was originally defined in 1793 as one ten-millionth of the distance from the equator to the North Pole – as a result the Earth's circumference is approximately 40,000 km today.

You might be interested in
ENT
Vesna [10]

Answer:

law of independent assortment

7 0
3 years ago
Describe the appearance of the compound fes
pishuonlain [190]
FeS known as iron sulphide is formed by the following reaction:
Fe + S ................><span> FeS
</span>
Iron sulphide has a molar mass of 87.910 grams. It has a grey color and can either be in the form of a powder of in the form of lumps.
It is insoluble in water and it reacts with acids.
Its density is 4.84 g/cm^3 and it has a melting point of 1194 degrees celcius. 
4 0
3 years ago
6. Calculate the mass of each product when 100.0 g of CuCl react according to the reaction
gavmur [86]

Answer:

67.91 g of CuCl2; 32.09 g of Cu.

Explanation:

The two masses add to 100.0 g, the initial amount of starting material, demonstrating the law of conservation of matter.

6 0
3 years ago
If Iron (Fe) gained a proton what would it be?
Mkey [24]
If iron (Fe) gained a proton it would become cobalt (CO).
8 0
3 years ago
What causes objects to speed up, slow down, and change directions?
vlada-n [284]
The answer is force

sorry if i’m wrong
4 0
3 years ago
Other questions:
  • What do colligative properties depend on?
    10·2 answers
  • How many moles of Hions are present in the following aqueous solution?
    11·1 answer
  • Regalo puntos :v vengan a mi prros​
    8·2 answers
  • If a snail with a red shell crossed with a white shell, what color would the children have shown in a punter square
    6·1 answer
  • Identify this symbol.<br> Cl-
    14·1 answer
  • Which of the following pairs of substances form a buffer system for human blood?
    5·1 answer
  • A sample of a compound contains 3.21 g of sulfur and 11.4 g of fluorine. What is the empirical formula of the compound?
    8·1 answer
  • Sodium metal (Na) reacts explosively with water to form sodium hydroxide (NaOH) and hydrogen gas. How many moles of sodium are n
    13·1 answer
  • HELP PLEASE Which type of power generation can produce carbon dioxide? solar hydroelectric coal wind
    6·2 answers
  • A 600 dm3 sample of hydrogen gas was collected contain at 950mm of hg pressure at room temperature.
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!