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
Margaret [11]
2 years ago
15

(55 points) Please help me with my homework please please help me thanks so much

Chemistry
1 answer:
balandron [24]2 years ago
8 0

Answer:

I didn't do the observation so I can't help sorry

You might be interested in
What are some differences between insect larvae and worms?
kirill115 [55]
A worm is very slimy than a insect larva
8 0
3 years ago
Read 2 more answers
Which properties can be measured without changing the chemical composition of the matter? _______ properties can be measured wit
evablogger [386]

Answer:

\boxed {\sf Physical}

Explanation:

There are two main kinds of properties: chemical and physical.

Chemical properties, like the name suggests, have to be observed by changing the chemical composition.

That leaves <u>physical properties.</u> They can be measured without any chemical composition changes.

Some examples include: color, odor, mass, density, and volume. All can be measured with just the senses or measuring tools and no composition alterations are needed.

3 0
2 years ago
Read 2 more answers
Which of the following is a synthesis reaction?
nadezda [96]

Synthesis reaction is a reaction where two or more substances combine to form a new compound. <span>It is a reaction which releases energy in the form of heat and light. Therefore, it is an exothermic reaction. </span>From its the definition the correct answer is the third option where carbon dioxide and water combine to form carbonic acid. 

6 0
3 years ago
Read 2 more answers
Which is warmer -30C or -30 F?​
Burka [1]

-30°C is more warmer than -30°F...!

<h2>How??</h2>
  • Always Celsius is warmer than farheniet and also in coldness Celsius is colder than farheneit.
8 0
2 years ago
Read 2 more answers
Zinc can be removed from bronze by placing bronze in hydrochloric acid. The zinc reacts with the hydrochloric acid producing zin
Ber [7]

Answer:The Zinc Reacts With The Hydrochloric Acid Producing Zinc Chloride And Hydrogen Gas, And Leaving The Copper Behind. A. If 25.0 G Of Zinc ... Zn+ 2 HCI --> ZnCl2 + H2 (answer .771 G H2) B. If The Reaction Yields . ... If 25.0 g of zinc are in a sample of bronze, determine the theoretical yield of hydrogen gas. Zn+ 2 HCI

8 0
3 years ago
Other questions:
  • Does a melted iceberg increase the salinity of the ocean?
    8·2 answers
  • Why do some fuels when burnt produce more heat than others?
    12·1 answer
  • What 5 equipment do you needs to mix a chemical solution
    13·2 answers
  • Which of the following is an example of a compound?<br> H2O<br> Na<br> Cl<br> O
    8·1 answer
  • A student prepares a 15.0 % salt solution in a 250.00 mL volumetric flask. What is the mass of salt in the solution?
    10·1 answer
  • Write and balance the combination reaction for the heating of solid magnesium in the presence of nitrogen gas. In a particular e
    6·1 answer
  • The molar mass of carbon dioxide (CO2) is 44.01 g/mol. The molar mass of water (H2O) is 18.01 g/mol. A reaction uses 528 g of CO
    12·1 answer
  • The chemical formula for aluminum + oxygen
    7·1 answer
  • ¿Que es bacteria y un virus ?<br>es para hoy por favor ayúdeme
    8·2 answers
  • Given the balanced equation representing a reaction:
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!