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saw5 [17]
3 years ago
5

What symbol is used for a beta particle?

Chemistry
2 answers:
Vinvika [58]3 years ago
6 0

Answer:

The first option is correct

marin [14]3 years ago
3 0

Answer:

The answer is A

Explanation:

There are two forms of beta decay, β− decay and β+ decay, which produce electrons and positrons respectively

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What does the molar mass of an element represent?
zysi [14]
The molar mass of an element represents how many grams of that specific element are in one mole of that specific element
5 0
3 years ago
What is the mass of 3.25 miles of AsF5
lianna [129]

Answer:

169.913616 g/mol

Explanation: This is weight of AsF5 molecular weight

6 0
3 years ago
If 11.00 mL of a standard 0.2831 M NaOH solution is required to neutralize 26.86 mL of H2SO4, what is the molarity of the acid s
MrRa [10]

Answer:

0.1159 M

Explanation:

Using the formula below:

CaVa = CbVb

Where;

Ca = concentration/molarity of acid (M)

Cb = concentration/molarity of base (M)

Va = Volume of acid (mL)

Vb = volume of base (mL)

According to this question, the following information were given:

Ca = ?

Cb = 0.2831 M

Va = 26.86 mL

Vb = 11.00 mL

Using CaVa = CbVb

Ca × 26.86 = 0.2831 × 11

26.86Ca = 3.1141

Ca = 3.1141 ÷ 26.86

Ca = 0.1159

The molarity of the acid (H2SO4) solution is 0.1159 M

3 0
3 years ago
10. A small gold nugget has volume of 0.87 cm3. What is its mass if the density of gold is 19.3 g/cm3?
bulgar [2K]

Answer:

16.791 grams

Explanation:

The density formula is:

d=\frac{m}{v}

Rearrange the formula for m, the mass. Multiply both sides of the equation by v.

d*v=\frac{m}{v}*v

d*v=m

The mass of the gold nugget can be found by multiplying the density and volume. The density is 19.3 grams per cubic centimeter and the volume is 0.87 cubic centimeters.

d= 19.3 g/cm^3\\v-0.87 cm^3

Substitute the values into the formula.

m=d*v

m= 19.3 g/cm^3*0.87 cm^3

Multiply. Note that the cubic centimeters, or cm³ will cancel each other out.

m=19.3 g*0.87

m=16.791 g

The mass of the gold nugget is 16.791 grams.

8 0
3 years ago
Which of the following is a heterogeneous mixture?
masya89 [10]
The answer would be c <span>a jar of mixed nuts.</span>
8 0
3 years ago
Read 2 more answers
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