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
iris [78.8K]
2 years ago
11

NEED HELP!

Chemistry
1 answer:
masha68 [24]2 years ago
7 0

Answer:

28.9

Explanation:

4.5+24.4

= 28.9

Mark me as a brainlist.I hope this helps you.

You might be interested in
What is a scientific explanation for a range of hypotheses and observations supported by testing
worty [1.4K]
<span>It verifies the significant relationships of the observed and hypothesized variables in the study.

Furthermore, the authors utilize and make use of the scientific method in order to have clear basis and evidence for their investigations. Research method is always used to answer every scientific inquiry and in gaining evidential data or knowledge. The scientific method has the following process or at least undergoes the process of
1. Observation</span> 
2. Hypothesis 
3. Experimentation 
4. Interpretation of data 
5. Evaluating the data 
6. Passing and recording the data 

<span>These steps are crucial and the empirical data that these scientists obtain are very important to keep that is why research paper, thesis and dissertations exists.<span>
</span></span>
8 0
3 years ago
What identifies an ion
bezimeni [28]

Answer:

Identifying whether or not an element is an ion is a very simple process. Identify the charge of the element. ... The number of electrons is equal to the atomic number minus the charge of the atom. Refer to an element with either a positive or negative charge as an ion.

7 0
3 years ago
What does "hidden phenomena" mean in science?
dusya [7]

Answer:

it's means two plural phenomenon and object or aspect known for through the sentence rather than by dot or intuition a temporal or spout temporal object of sensory experience as discussion from a nominal

6 0
3 years ago
The store paid 4.50 for a book and sold it for $7.65.what is the profit as a percent of the cost to the store? A. 3. 15% b. 58.8
xeze [42]

Answer: This would be C.) 70%

Explanation:

4 0
2 years ago
a solid substance is an excellent conductor of electricity. The chemical bonds in this substance are most likely...
Alex
The answer is "metallic" hope this helps

6 0
3 years ago
Read 2 more answers
Other questions:
  • How many Al atoms are present in 2.5 moles of Al2O3
    5·1 answer
  • Which mathematical statement correctly relates qsys and qsurr? A. qsys = qsurr B. qsys &lt; qsurr C. qsys &gt; –qsurr D. qsys =
    6·1 answer
  • You are given a sample of limestone, which is mostly CaCO3, to determine the mass percentage of Ca in the rock. You dissolve the
    7·2 answers
  • From the options provided for each element below, choose the properties that it may have based on its location in the periodic t
    11·2 answers
  • What is the chemical name of the compound represented by the formula Ni2O3? Use the list of polyatomic ions and the periodic tab
    7·2 answers
  • Which is another name for a homogenous mixture?
    8·1 answer
  • Identifying Relationships A population of rabbits evolves thicker fur in
    10·1 answer
  • (reply w the answer or get reported) Please answer this​
    12·1 answer
  • Have you ever seen the roots of Banyantree coming down to floor from the branches
    12·1 answer
  • 1) Convert the following:<br> 900g to kg<br><br> 2.87L to uL
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!