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zimovet [89]
2 years ago
6

11. The modern periodic table is arranged in order of increasing atomic

Chemistry
2 answers:
Pani-rosa [81]2 years ago
6 0

Answer:

number. so the option is c

KengaRu [80]2 years ago
5 0

Answer:

atomic number

Explanation:

i just know it

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How many atoms of calcium, Ca would be equal to 5.472 X 104 moles Ca?
Montano1993 [528]
Answer:
             3.29 × 10²⁸ Atoms

Solution:
              Moles and Number of atoms are related to each other as,

                           Moles  =  Number of Atoms / 6.022 × 10²³   ------- (1)

Data Given;
                  Moles  =  5.472 ×10⁴

                  Number of Atoms  =  ?

Solving eq. 1 for Number of Atoms,

                        Number of Atoms  =  Moles  × 6.022 × 10²³

Putting values,

Number of Atoms  =  5.472 ×10⁴ mol × 6.022 × 10²³ atoms.mol⁻¹

Number of Atoms  =  3.29 × 10²⁸ Atoms
5 0
3 years ago
What are the coefficients that will balance the skeleton equation below?alcl3 + naoh → al(oh)3 + nacl?
Karo-lina-s [1.5K]
AlCl3 + 3NaOH -> Al(OH)3 + 3NaCl

1 3 1 3
3 0
3 years ago
Read 2 more answers
If 23.6 g of hydrogen gas reacts with 28.3 g of nitrogen gas, what is the maximum amount of product that can be produced?
Aleonysh [2.5K]

Answer:

34.3 g NH3

Explanation:

M(H2) = 2*1 = 2 g/mol

M(N2) = 2*14 = 28 g/mol

M(NH3) = 14 + 3*1 = 17 g/mol

23.6 g H2* 1 mol/2 g = 11.8 mol H2

28.3 g N2 * 1 mol/28 g = 1.01 mol N2

                                 3H2 + N2 ------> 2NH3

from reaction         3 mol    1 mol

given                   11.8 mol    1.01 mol

We can see that H2 is given in excess, N2 is limiting reactant.

                                 3H2 + N2 ------> 2NH3

from reaction                     1 mol         2 mol

given                                 1.01 mol      x

x = 2*1.01/1= 2.02 mol NH3

2.02 mol * 17g/1 mol ≈ 34.3 g NH3

8 0
3 years ago
Balance the following equation Sa+ F2---> SF6
deff fn [24]

Answer:

s8 + 24f2 -> 8sf6

Explanation:

8 0
3 years ago
In the chemical reaction below, calcium (Ca) and water (H2O) react to form calcium hydroxide (Ca(OH)2) and hydrogen gas (H2). Ca
lakkis [162]

Answer:

C.

Explanation:

The mass of the reactants should not change, in fact it would be equal because the only thing that changes is the form in which your products are in. The reactants will still have the same amount of mass from the products as no products were removed or added, the structure changed, the mass did not.

8 0
3 years ago
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