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
Oksana_A [137]
3 years ago
7

Hot water _____. has a higher pH value than cold water holds less dissolved oxygen than cold water is beneficial to living organ

isms in aquatic ecosystems contains more hydrogen than cold water
Chemistry
2 answers:
harina [27]3 years ago
6 0

Answer : The correct option is, Hot water holds less dissolved oxygen than cold water.

Explanation :

As we know that the gases are more soluble in the liquids at the lower temperatures.

When the water heats up the average kinetic energy of the molecule increases. That means at the higher temperature the more number of molecules will escape or evaporate in atmosphere.

But at lower temperature the less number of molecules will escape or evaporate in atmosphere.

Hence, the hot water holds less dissolved oxygen than cold water.

antoniya [11.8K]3 years ago
3 0
The correct answer is this one: "holds less dissolved oxygen than cold water" Hot water <span>holds less dissolved oxygen than cold water. The hotter the water is, the lesser oxygen that is being dissolved in that water.</span>
You might be interested in
Use chemical formulas to write the equation for the reaction between carbon and oxygen
Mandarinka [93]
C=Carbon
O=Oxygen
Oxygen is a diatomic molecule, so the subscript two needs to be used after the O in the formula.
C+O2->CO2
Hope this helps!
7 0
3 years ago
Over coffee and croissants at breakfast one day, your friend Reuben (an expert chemist) says this: "Soluble metal oxides form hy
Kitty [74]

Answer:

Explanation:

The product formed will be alkaline solution of potassium hydroxide .

K₂O + H₂O = 2 KOH .

Therefore  K₂O is called basic oxide .

5 0
3 years ago
TIME REMAINING
otez555 [7]

Answer:

compound light microscope

6 0
3 years ago
Consider that calcium metal reacts with oxygen gas in the air to form calcium oxide. suppose we react 7.43 mol calcium with 4.00
Natali [406]
The balanced chemical equation for the above reaction is as follows;
2Ca + O₂ --> 2CaO
stoichiometry of Ca to O₂ is 2:1
this means that 2 mol of Ca reacts with 1 mol of O₂.
If O₂ is the limiting reactant, 
4 mol of O₂ should react with (4x2) - 8 mol of Ca
however only 7.43 mol of Ca is present. Therefore Ca is the limiting reactant.
7.43 mol of Ca reacts with - 7.43/2 = 3.715 mol of O₂
therefore there's excess O₂₂ remaining after the reaction
Since Ca is the limiting reactant, it is fully used up in the reaction and there is no Ca remaining after the reaction is completed.


4 0
3 years ago
How do high levels of alkaline phosphatase indicate a bone abnormality
ELEN [110]

Answer:

Bones make an isoenzyme called alkaline phosphatase-2 or (ALP-2). Levels of this enzyme increase when bones are growing or bone cells are active. An alkaline phosphatase bone isoenzyme test can indicate abnormal levels of bone growth that may be associated with conditions such as: Paget's disease of bone.

Explanation:

ALP (alkaline phosphatase) is an enzyme found in your bloodstream. It helps break down proteins in the body and exists in different forms, depending on where it originates.

The bones and liver are the main sources of ALP, but some is also made in your bones, intestines, pancreas, and kidneys. In pregnant women, ALP is made in the placenta.

The ALP test can be helpful in the diagnosis of bone problems such as: rickets, a weakening or softening of the bones in children that’s most commonly due to a significant deficiency of vitamin D or calcium osteomalacia, a softening of the bones in adults usually due to significant vitamin D deficiency, but also possibly due to the body’s inability to process and use vitamin D properly.

Paget’s disease of the bone, a disorder causing major problems with bone destruction and regrowth

An alkaline phosphatase level test (ALP test) measures the amount of alkaline phosphatase enzyme in your bloodstream. The test requires a simple blood draw and is often a routine part of other blood tests.

Abnormal levels of ALP in the blood most often indicate a problem with your liver, gallbladder, or bones. However, they may also indicate malnutrition, kidney cancer tumors, intestinal issues, a pancreas problem, or a serious infection.

The normal range of ALP varies from person to person and depends on ones age, blood type, gender, and pregnancy.

The normal range for serum ALP level is 20 to 140 IU/L.

The normal range runs higher in children and decreases with age.

6 0
3 years ago
Other questions:
  • MyRoad is a(n):
    10·1 answer
  • a 4.50 g coin of copper absorbed 54 calories of heat. what was the final temperature of the copper if the initial temperature wa
    12·1 answer
  • Consider a 0.10 M aqueous benzoic acid, CeHeCOOH. The K benzoic acid. 6.5 x 10 for A) Write a balanced equation that shows the r
    12·1 answer
  • In a sulphuric acid (h2so4) - sodium hydroxide (naoh) acid-base titration, 17.3 ml of 0.126 m naoh is needed to neutralize 25 ml
    9·1 answer
  • In a chemical reaction, exactly 2 mol of substance A react to produce exactly 3 mol of substance B. 2 A ⟶ 3 B How many molecules
    14·1 answer
  • Read the passage.
    14·2 answers
  • Slow cooling of magma leads to the formation of large crystals, such as halite and calcite.
    6·1 answer
  • A 1.0L buffer solution contains 0.100 molHC2H3O2 and 0.100 molNaC2H3O2. The value of Ka for HC2H3O2 is 1.8×10−5. Calculate the p
    8·1 answer
  • Please help..... :(((<br><br> The last part says group 2 if you’re wondering
    9·1 answer
  • Help ….
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!