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
BlackZzzverrR [31]
3 years ago
11

Ice and water constitute a system:

Chemistry
1 answer:
kondor19780726 [428]3 years ago
4 0

Answer:

B

Explanation:

It's the same substance but in different states.

HETEROGENEOUS mixtures contain substances that are

not uniform in composition. The parts in the mixture can be separated by physical means.

You might be interested in
Please help I need these answers
Burka [1]

Answer:

2 a

element pure form cannot broken down

3 b

Chemical change chemical R×N

(R×N = reaction)

4c homogeneous solution

Yield = Yield (reaction yield): A measure of a chemical reaction's efficiency, as a ratio of moles of product to moles of reactant. Usually expressed as a percentage. % Yield = Moles of product.

Explanation:

5 0
3 years ago
How much heat is needed to boil 45 grams of water at 100°C?​
wolverine [178]

Answer:

Depends how much water and the temperature of the water. To heat 1 mL of water by 1 degree C 1 cal of energy (4.184 Joules) is required. Assuming that the water is at 25 degrees C, to boil one litre (liter) of water you would require 75,000 cal or 313.8 kJ.

6 0
3 years ago
What type of bonds exist in a molecule of water? Polar covalent bonds ionic bonds hydrogen bonds van der waals non polar covalen
Aleksandr [31]
Polar covalent bonds (because hydrogen and oxygen form polar bonds and are both nonmetals so it's covalent) and hydrogen bonds (because the water molecules are attracted to each other with partial charges, causing specific properties like surface tension).

So in my very bad drawing that I attached in case you're more a visual learner, the d- and d+ show the partial charges of hydrogen and oxygen (making it polar, as the electrons in the bond are more shifted towards oxygen, which is why oxygen has a negative sign) and the yellow dotted line show the hydrogen bonds.

7 0
3 years ago
What types of atoms typically form covalent bonds?
Dafna1 [17]

Answer:

In a covalent bond, the atoms bond by sharing electrons. Covalent bonds usually occur between nonmetals. For example, in water (H2O) each hydrogen (H) and oxygen (O) share a pair of electrons to make a molecule of two hydrogen atoms single bonded to a single oxygen atom.

hope this helped

please give brainlist

8 0
3 years ago
What are the types of Asexual reproduction? <br><br> need this asap bro uyftghjkddfs
kolezko [41]

Answer:

The types of Asexual reproduction include:  fission, fragmentation, budding, vegetative reproduction, spore formation and agamogenesis.

5 0
3 years ago
Other questions:
  • A sample of vinegar has a pH of 5, and a sample of rainwater has a pH of 6. Which of the following statements best describes the
    13·2 answers
  • Describe a process in which energy changes form at least two times explain how the law of conservation of energy applies to the
    15·1 answer
  • Why is it illegal to manufacture fireworks without a license
    6·1 answer
  • How many chemicals in tobacco products have been proven to cause cancer?
    11·1 answer
  • Based on the knowledge about genetic links between organisms, which category of classification was added to Linnaean Taxonomy?
    12·2 answers
  • Does changing the number of neutrons change the identity of the element you have built?
    13·1 answer
  • What is the difference between a compound and a mixture?
    9·2 answers
  • What numbers should be added to the blanks to balance this chemical equation? ___F2 + __ H20 --------&gt; ___OF2 + ___HF
    10·1 answer
  • Can you show me the answer and explain?
    6·1 answer
  • What is chemicle reaction
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!