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
Dafna1 [17]
3 years ago
13

Please help me with these! Mark brainliest

Chemistry
1 answer:
bearhunter [10]3 years ago
6 0

Answer:

1. Alkalinity

2. True

3. Red

Explanation:

1. 8-14, which are the bases, are alkaline

2. Salt lowers the melting/freezing point of water

3. Blue --> Red is Acid

You might be interested in
Mass box A = 10 grams; Mass box B = 5 grams; Mass box C—made of one A and one B
eimsori [14]
2 boxes of A
Because C = A + B
2 of A = 20 grams
at the other hand we have 2 of B = 10
So 20 + 10 = 30 grams
3 0
3 years ago
A sample of a compound that contains only the elements C, H, and N is completely burned in O2 to produce 44.0 g of CO2, 45.0 g o
PolarNik [594]

Explanation:

what you have to do is to multiply the given grams with the ratio of grams of that certain element in it's full compound in order to isolate the compound and get the element.

because the question did not specify how many grams of NO2 is formed, we can assume that the mass is neglegible, thus 1 mole was assigned to Nitrogen.

3 0
3 years ago
Help! 15 Points!<br><br> Science!
Klio2033 [76]
Don't take my word for it but I think it is
1: proteins 
2: energy from the sun, carbon dioxide, and water
3: this one is confusing me but I think it would be nutrients from food and oxygen
4: water
 Again these are attempts I can't prove these
6 0
3 years ago
Read 2 more answers
How does wind cause weathering?
Helga [31]

h2+o2=2h2o.................................................

7 0
3 years ago
Need help with question 4.) hurry please ASAP
Vanyuwa [196]

Answer:

a mixture that is made when one substance dissolves and mixes with another substance

6 0
3 years ago
Other questions:
  • A scuba tank contains a mixture of oxygen (O2) and nitrogen (N2) gas. The oxygen has a partial pressure of PO2=5.62MPa. The tota
    15·2 answers
  • If you mix 50mL of 0.1 M TRIS acid with 60 mL of0.2 M<br> TRIS base, what will be the resulting pH?
    8·1 answer
  • How would you distinguish a scientific theory from a scientific law?
    12·1 answer
  • As the mass of a sample increases, the number of moles present in the sample (increases)
    6·2 answers
  • Time such as minutes, days, and months will always
    9·1 answer
  • Groundwater in an area flows at a speed of 4km/h. How long would it take the water to flow 10 km t it’s springs
    5·1 answer
  • Explain why crude oil is a fossil fuel​
    14·2 answers
  • Does an electric iron may have a lower wattage than a LED lightbulb
    7·1 answer
  • Volcanic island acres are associated with which type of plate boundary
    13·1 answer
  • How does the rock cycle and plate tectonics interfere with geochemists trying to determine the age of the Earth? Chose the best
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!