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
WARRIOR [948]
3 years ago
14

I need help with my chemistry homework please & thank u

Chemistry
1 answer:
lisov135 [29]3 years ago
5 0

Answer:

6) solid- dots close together

liquid- a little bit farther apart than solid

gas- far apart

7) the movement of anything from a higher area of concentration to an area of lower concentration.

8) B. evaporation

9) The solute is the thing being dissolved, the solvent is the thing dissolving it, and the solution is the product of the solute and solvent.

10) D. regular brewed coffee

*I'm not exactly sure on #10 but I hope I could've helped a little at least

You might be interested in
Which choice is an example of an endothermic process?
77julia77 [94]

Answer: conversion of ice to steam

Explanation: Endothermic process is one in which energy is absorbed by the system.

Conversion of ice to steam is change of solid phase to gaseous phase, thus energy is required to break the strong inter molecular forces of attraction in solids to convert it into gaseous phase.

Conversion of steam to ice, conversion of steam to water  and conversion of water to ice releases energy and are examples of exothermic processes.

7 0
3 years ago
Explain how neutralization reactions are used in acid-base titrations.
nadya68 [22]
Acid-base tiltrations has DNA that can help in the process of neutralization. not so sure about it
8 0
3 years ago
PLEASE PLEASE HELP ME!!!A 450 ml gas sample has a pressure of 1.25 atm at 65 °C. What is the temperature, in °C, at which the ga
Arlecino [84]

Answer:

89°C

Explanation:

Combined Gas Law (P₁V₁)/T₁ = (P₂V₂)/T₂

(1.25 atm)(450 mL)/(65°C) = (0.89 atm)(865 mL)/T₂

8.653846154 = 769.85/T₂

T₂ = 769.85/8.653846154

T₂ = 88.96044444 = 89°C

6 0
3 years ago
Scientist can use trees to look at climates of the past. How? What information can they gather and how do they gather it? Explai
andrezito [222]

Explanation:

Scientist use trees a whole lot to look at climate of the past by examining tree rings.

These are layers of cambium in each successive years formed. They have an annual growth pattern and are known as tree rings.

Tree rings can be used to decipher the age of a tree.

  • These three rings can be used to interpret climatic patterns.
  • During a wet climate, the tree rings are more robust and bigger.
  • In a dry climate, the rings are thinner.
  • These alternating patterns can be used to decipher the climatic signatures in a tree.
  • Sometimes, it is possible to evaluate some certain isotopes that are useful in climatic studies.

learn more:

Climate change brainly.com/question/7824762

#learnwithBrainly

6 0
3 years ago
Based on your solubility rules which of the following compounds would form a precipitate water?
Novosadov [1.4K]
H2SO4+NaOH=Na2SO4+H2O
3 0
3 years ago
Other questions:
  • What is the mass of 8.12 × 10^23 molecules of CO2 gas? (Atomic mass of carbon = 12.011 u; oxygen = 15.999 u.)
    7·1 answer
  • At a constant pressure and amount of gas, how are temperature and volume related?
    13·1 answer
  • Which group was fighting communists in Nicaragua in the 1980s?
    13·1 answer
  • If the density of iron is 8.76g/ml how many liters will 10.0 grams occupy please I need help
    5·1 answer
  • A drought is best defined as
    7·1 answer
  • Light shining on a strip of metal can dislodge electrons. Do you think this is more consistent with light being made up of waves
    5·2 answers
  • In general, both cations and anions will __________ as you go down a group.
    14·1 answer
  • A car with a mass of 1,000 kg is moving at a speed of 20 m/s. What is the car's kinetic energy?
    9·1 answer
  • The stored form of energy based on an object's position is called....?
    9·2 answers
  • Does water added to a flask containing chlorine gas and solid sodium react in the chemical reaction to make sodium chloride
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!