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
marysya [2.9K]
3 years ago
6

A dog has a mass of 19 kg. What is the mass of the dog in grams,expressed in scientific notation

Chemistry
2 answers:
Harrizon [31]3 years ago
8 0

Answer: 1.9 x 10^4

Explanation:

stepladder [879]3 years ago
5 0

Answer:

1.9 x 10^1

Explanation:

You might be interested in
Don't answer if you're not 100%.
Ilia_Sergeevich [38]
<span>Answer: has only one identity

Compounds like water (H2O) has 2 kinds of atoms which are hydrogen and oxygen. They also have a chemical bond and their bond is not able to be separated by physical means. It different with a mixture of water with sugar. The water and sugar are two different molecules but they don't bind each other. If you evaporate the water, the sugar will remains so it </span>can be separated by physical means.<span>.</span>
3 0
2 years ago
The chemical equation provided shows iron rusting to form iron oxide. Use the drop-down menu to choose the coefficients that wil
olchik [2.2K]

4Fe + 3O2 → 2Fe2O3 <or> The chemical formula for rust is Fe2O3. Rust is formed when iron reacts with oxygen in moist air. The following chemical equation represents the reaction: 4Fe + 3O2 → 2Fe2O3. Water is necessary for the oxidation reaction to occur and to facilitate transport of the electrons.

3 0
3 years ago
Read 2 more answers
At what pH are the moles of acid and base equal?
mihalych1998 [28]

Answer:

7

Explanation:

(Note: for a strong acid and strong base titration the equivalence point is at a pH=7. This is because at this point you have equal moles of added base as acid in the original solution. Therefore at the equivalence point the solution has formed a neutral salt and the pH is 7).

5 0
2 years ago
Read 2 more answers
Why do atoms share electrons in covalent bonds?
vladimir2022 [97]
To fill the other element's shell.
7 0
2 years ago
Read 2 more answers
How many moles of NaCl are needed to make 10.0L of a 5 M solution of<br> Salt water?*
vesna_86 [32]

Answer: 50 mol

Explanation:

Molarity=\frac{Moles -of -solute}{liters -of -solution}

M=\frac{mol}{L}

mol=M*L

mol=5*10\\mol=50mol

3 0
3 years ago
Other questions:
  • Which chemical change causes a cake to rise?
    11·2 answers
  • What is the theoretical yield of bromobenzene in this reaction when 32.0 g of benzene reacts with 69.3 g of bromine?
    12·1 answer
  • A solution of HCl has H+ = 0.01 M. What is the pH of this solution?–2, –1 ,1 ,2
    13·2 answers
  • Convert 15cm^3 to liters
    10·2 answers
  • A sample of Br2(g) takes 12.0 min to effuse through a membrane. How long would it take the same number of moles of Ar(g) to effu
    8·1 answer
  • Why is more dew formed on a grass and not on polished metal surface​
    9·1 answer
  • Jean-Paul is racing in the Tour de France bicycle race. He is moving along rapidly at a speed of 15 kilometers per hour. Suddenl
    11·1 answer
  • How many sodium atoms does 3Na2S2O3 have?
    12·1 answer
  • Based on the experiment, do you think birds can just wash off the oil with water? Explain your answer.
    6·2 answers
  • Suppose 0.258g of lead(II) acetate is dissolved in 250.mL of a 13.0 m M aqueous solution of ammonium sulfate.
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!