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
DENIUS [597]
3 years ago
9

I need help with my science project someone help me answer it!

Chemistry
1 answer:
GREYUIT [131]3 years ago
6 0

Answer:

food

Explanation:

You might be interested in
HHHHHEEEELLLLLPPP PPPLLEEASEEE I GIVE BRAINLIEST!!!!!!!!!
svet-max [94.6K]
1. a. FeS + 2HCl --> FeCl2 + H2S
    b. This is a double- replacement reaction. (The elements "switch partners".)

2. a.2Na + F2 --> 2NaF
    b. This is a composition/synthesis reaction. (The two reactants are combining or synthesizing to make one product.)

3. a. 2HgO --> 2Hg + O2
    b. This is a decomposition reaction. (The single reactant is breaking down or "decomposing" into multiple reactants.)

4. Hydrogen gas reacts with oxygen gas to create water in a composition/synthesis reaction.

I hope these answers will help you! If you need any explanation, ask and hopefully I can get back to you. ;)
8 0
4 years ago
1. Nitrogen, oxygen, and fluorine atoms all seem pretty similar, at first. How many valence electrons does an atom of each have?
matrenka [14]
Nitrogen is 5 valence electrons
oxygen is 6 valence electrons
fluorine is 7 electrons
6 0
3 years ago
A gas quickly expands in an isolated environment. During the process, the gas exchanges no heat with its surroundings. The proce
AysviL [449]

Answer:

e. adiabatic process

Explanation:

Adiabatic process  -

In the thermodynamic system , an adiabatic process is the one which involves no transfer of mass or heat of the substance , is referred to adiabatic process.

In this process , the temperature need not be constant ,

But only the heat is transferred into or out of the system .

Hence, from the given information of the question,.

The correct option is e. adiabatic process .

6 0
4 years ago
What temperature in celsius is 563.18 K
OleMash [197]

Answer:

Explanation: So 1 Kelvin is equal to -272.15 Celsius. Now we need to do some math,

563,180 x -272.15 = -153,269,437 Celsius

I hope this helps :)

6 0
3 years ago
How magnets are used in loud speakers
Gelneren [198K]

The electromagnet and the permanent magnet -- interact with each other as any two magnets do. The positive end of the electromagnet is attracted to the negative pole of the permanent magnetic field, and the negative pole of the electromagnet is repelled by the permanent magnet's negative pole

5 0
3 years ago
Other questions:
  • Is nickel a compound
    11·2 answers
  • What should you do if your hypothesis proves false during an experiment?
    11·1 answer
  • If you have a gold brick that is 2cm by 3cm by 4cm and has density of 19.3g/cm3, what is its mass?
    5·1 answer
  • Which phrase describes the decay modes and the half-lives of K-37 and K-42?
    12·2 answers
  • The quality of an object that resists a change in motion or resists a change in the resting state
    9·1 answer
  • During convention _______, less dense fluid rises and _______, denser fluid sinks
    7·1 answer
  • Manoa falls drops 153 feet, measured the bottom to be 663 liters per second
    11·1 answer
  • Predict the density of acetylene gas (C2H2) at 0.910 atm and 20oC.
    8·1 answer
  • 5. What is a chemical equation? What are the essentials of a chemical equation? What information is conveyed by a chemical equat
    10·1 answer
  • One of the nuclides in spent nuclear fuel is U-235 , an alpha emitter with a half-life of 703 million years. How long will it ta
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!