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3 years ago

Solve for C using the equation c=a/b when a=4.7 and b= 1.3

2 answers:

5 0

C = about 3.62 because when you divide 4.7 over 3.1 you get 3.61538461538 and f you round it to the nearest hundredth place it is 3.62

viva [34]3 years ago

5 0

Your answer would be 3.62 if u round it to the nearest hundredth

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Convert 9.32x 10 23ª atoms of au to moles of au

7nadin3 [17]

Answer:

$\huge\boxed{\sf no.\ of\ moles = 1.55\ moles }$

Explanation:

Given:

Number of atoms = $9.32 \times 10^{23}$ atoms

Avogadro's Number = $6.023 \times 10^{23}$ atom / mol

Required:

Moles = ?

Formula:

$\displaystyle No.\ of\ moles = \frac{no. \ of \ atoms }{avogadro's \ no.}$

Solution:

$\displaystyle no. \ of \ moles = \frac{9.32\times 10^{23}}{6.023 \times 10^{23}}$

no. of moles = 1.55 moles

$\rule[225]{225}{2}$

Hope this helped!

5 0

3 years ago

Which elements from the list would be likely to form an ionic bond with chlorine, Cl?

monitta

Answer:

metal calcium or (Ca).

Explanation:

For example, the metal calcium (Ca) and the nonmetal chlorine (Cl) form the ionic compound calcium chloride (CaCl2). In this compound, there are two negative chloride ions for each positive calcium ion

8 0

3 years ago

Isotonic saline solution, which has the same osmotic pressure as blood, can be prepared by dissolving 0.923 g of nacl in enough

vova2212 [387]

osmotic pressure = CRT to get C, get the number of moles of NaCl then divide it with volume of the solution mole NaCl = 0.923g / 58.442 g/mol mole NaCl = 0.0158 mol C = 0.0158 mol / 0.1L C = 0.158 mol/L So, osmotic pressure = 0.158 mol/L*(0.082058 L-atm/mol-K)*(25+273K) osmotic pressure = 3.86 atm

8 0

4 years ago

Read 2 more answers

Which is the property of nonmetals to evaporate easily?

Vikki [24]

Answer:

Volatile

Explanation:

Nonmetal are usually volatile, which means it evaporate easily.

5 0

3 years ago

100 points! Please help if you are able to.

arsen [322]

Here are the balanced equations

C_2H_5OH+3O_2--->2CO_2+3H_2O+Energy
2AgCl-->2Ag+Cl_2
AgNO_3+Zn--->Ag+ZnNO_3

3BaCl_2+Al_2(SO_4)_3--->3BaSO_4+2AlCl_3
H_2+I_2--->2HI

Done!

7 0

3 years ago