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Brrunno [24]
3 years ago
7

What do an electron and neutron have in common?

Chemistry
2 answers:
CaHeK987 [17]3 years ago
7 0

Answer:

each particle exists inside an atom

Explanation:

Komok [63]3 years ago
7 0
Both can be in the atom
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Calculate 4572cm to meters
9966 [12]

Answer:

45.72meters

Explanation:

8 0
3 years ago
Cho hai điện tích q1 = 2.10-6 C, q2 = 4. 10-6C, đặt tại A và B trong không khí biết AB = 2 cm. Xác định vectơ cường độ điện trườ
Nitella [24]

Answer:

<h3>A</h3>

Explanation:

<h2>sorry try lang baka mali</h2><h2 />
6 0
2 years ago
A barium hydroxide solution is prepared by dissolving 1.90 g of Ba ( OH ) 2 in water to make 71.1 mL of solution. What is the co
goldenfox [79]

Answer:

The molarity of this solution is 0.156 M

Explanation:

Step 1: Data given

Mass of Ba(OH)2 = 1.90 grams

Molar mass Ba(OH)2 = 171.34 g/mol

Volume of the solution = 71.1 mL = 0.0711 L

Step 2: Calculate moles Ba(OH)2

Moles Ba(OH)2 = mass Ba(OH)2 / molar mass Ba(OH)2

Moles Ba(OH)2 = 1.90 grams / 171.34 g/mol

Moles Ba(OH)2 = 0.0111 moles

Step 3: Calculate molarity

Molarity solutin = moles Ba(OH)2 / volume solution

Molarity solution = 0.0111 moles / 0.0711 L

Molarity solution = 0.156 M

The molarity of this solution is 0.156 M

6 0
3 years ago
Where is the decimal in this 9400g=kg
Damm [24]

Answer:

9400 Grams to Kilograms

To change the mass we use formula [kg] = [9400] / 1000

5 0
3 years ago
Calculate the mass of arsenic(III) chloride
gayaneshka [121]

Answer:

Mass of arsenic chloride produced is 0.363 g

Explanation:

Given data:

Mass of arsenic chloride produced = ?

Mass of arsenic react = 0.150 g

Mass of chlorine = excess

Solution:

Chemical equation:

2As + 3Cl₂      →   2AsCl₃

First of all we will calculate the number of moles of arsenic.

Number of moles = mass/ molar mass

Number of moles =  0.150 g/ 75 g/mol

Number of moles = 0.002 mol

Now we will compare the moles of arsenic with arsenic chloride.

                          As             :             AsCl₃

                           2              :                2

                         0.002        :              0.002

Mass of arsenic chloride produced:

Mass = number of  moles × molar mass

Mass = 0.002 × 181.28 g/mol

Mass = 0.363 g

3 0
3 years ago
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