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poizon [28]
3 years ago
5

Please help me..what is carbon 1/12​

Chemistry
1 answer:
tatuchka [14]3 years ago
6 0

Answer:

It is expressed as a multiple of one-twelfth the mass of the carbon-12 atom, 1.992646547 × 10−23 gram, which is assigned an atomic mass of 12 units. ... In this scale 1 atomic mass unit (amu) corresponds to 1.660539040 × 10−24 gram.

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What is 1500 in scientific notation
Svet_ta [14]
To form the value of 1500 in scientific notation, it is <span><span>
1.    </span>By simply moving the period which separates the whole numbers from the decimal numbers between 1 and 5. </span> <span><span>
2.    </span>Thus, it then becomes 1.5 </span> <span><span>
3.    </span>Next, is you have to count how many moves the period made from its point of origin hence, for this value is 3</span>
<span><span>4.    </span>Therefore, the scientific notation for the number is 1.5 x 10^3</span>



7 0
3 years ago
A cube of an unknown metal measures 0.250 cm on one side. The mass of the cube is 0.134 g. Which of the following is most likely
rosijanka [135]

Answer:

8.58 g/cm3

Explanation:

density = mass / volume

be attention that the question gives u the length of

one side of the cube so u should calculate the volume

of the cube using your information of math .

1st we calculate the volume of the cube :

 V of cube = a 3= axaxa

                 = 0.250 x0.250 x0.250

                 = 0.0156 cm3

 2nd step

density = mass/volume

             =  0.134/ 0.0156 = 8.58 g/cm3

5 0
3 years ago
How many molecules are present in 2 H₂ SO4​
fomenos

Answer:

in H2So4 splits in 2 H+ and a

so42 -particle=3particle per mole.So2

moles H2So4 will result in 3*2=6moles

of molecules.

5 0
2 years ago
Read 2 more answers
Determine the direction that each of the reactions will progress. Assume that the reactants and products are present in equimola
xxMikexx [17]

Answer:

It would move either left or right

Explanation: Taking assumption that,

Fructose + ATP fructose - 6 - phosphate + ADP (The standard free energy of hydrolysis for fructose-6-phosphate is - 15.9 kJ/mol.) 3 - phosphoglycerate + ATP 1,3 - bisphosphoglycerate + ADP (The standard free energy of hydrolysis for 1,3-bisphosphoglycerate is - 4 9.3 kJ/mol.) pyruvate + ATP phosphoenolpyruvate + ADP (The standard free energy of hydrolysis for phosphoenolpyruvate -is -61.9 kJ/mol.)

8 0
3 years ago
The weak type of bonding which attracts molecules to molecules is:
SashulF [63]
B. Hydrogen is the answer
8 0
3 years ago
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