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
konstantin123 [22]
2 years ago
15

Will mark BRAINLIEST!! PLEASE ANSWER I HAVE 5 MINS

Chemistry
1 answer:
maksim [4K]2 years ago
3 0

Answer:

Explanation:

7A 0.2

7B cork

7C  Yes because the lighter it is the more likely it will float

7D  Density is one of the fundamental scientific principles of life. It can describe any everyday object. Despite its significance, students often struggle to understand what it really is. Density is a measurement of how much space or volume is packed in an object or substance.

8   property means a characteristic or trait that you can use to describe matter by observation, measurement, or combination.

You might be interested in
Is shaving cream a constant for making fake snow?<br><br> U get 71 pts!
Inessa [10]
Yes. It is made from baking soda and shaving cream but shaving cream is a constant. You could use things like corn flour instead of baking soda.
6 0
3 years ago
What is the volume of a balloon if it contains 3.2 moles of helium at a temperature of 20. °C and standard pressure?
KatRina [158]

Answer:

1.14 mol

Explanation:

3 0
2 years ago
How many copper atoms are in 70g of copper
Elanso [62]

Answer:

n = 6.634\times 10^{23}\,atoms

Explanation:

The total amount of atoms is found by multiplying Avogradro's Number and the number of moles:

n = \left(6.022\times 10^{23}\,\frac{atoms}{mol} \right)\cdot \left(\frac{70\,g}{63.546\,\frac{g}{mol} } \right)

n = 6.634\times 10^{23}\,atoms

4 0
3 years ago
The chemical equation of photosynthesis includes 6O2. What does the small number after the O represent?
blondinia [14]
Its the number of Oxygen molecules
3 0
3 years ago
What would be the greatest difference in using an open ceramic coffee mug rather than an insulated mug with a lid as a calorimet
adoni [48]
The answer is number 4 or the exchange of energy with the surroundings. Calorimetry is a measurement of energy that is formed or absorbed in a certain process. The calorimeter is the instrument used in order to measure the energy. It is recommended that a calorimeter should be a closed system so as to measure precisely the energy and avoid or lessen the exchange of energy with the surroundings. Thus, comparing an open ceramic mug and an insulated mug with a lid, the greatest difference is the energy lost to the surroundings. 
4 0
3 years ago
Read 2 more answers
Other questions:
  • If 3.00 g of titanium metal is reacted with 6.00 g of chlorine gas, Cl2, to form 7.7 g of titanium (IV) chloride in a combinatio
    13·2 answers
  • The client's lab values are sodium 166 mEq/L, potassium 5.0 mEq/L, chloride 115 mEq/L, and bicarbonate 35 mEq/L. What condition
    8·1 answer
  • Is sodium ion or sodium metal in table salt?
    14·1 answer
  • Simplify 8k-5(-5k+3)
    15·1 answer
  • Draw a Lewis structure and indicate the hybridization for each molecule that contains more than one interior atom. Draw the Lewi
    10·1 answer
  • Calculate the molar mass of NH4NO3.
    14·1 answer
  • Hope you all have a great day ✝️ you are beautiful *muah* now go pick up your crown, here u go ** continue on love ya ​
    14·1 answer
  • How many atoms of hydrogen combine with one carbon atom to form methane
    14·1 answer
  • Milk Souring<br><br> a<br> Chemical Change<br> b<br> Physical Change
    12·1 answer
  • Which factor would be most likely to shirk the size of an atom’s electronic cloud
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!