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VLD [36.1K]
3 years ago
13

Identify these element:a non-metal in the same group as leads?

Chemistry
1 answer:
Basile [38]3 years ago
4 0

Answer:

tin and it is called a carbon group

Explanation:

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Help plz # 2 3. 4 its due today
Mnenie [13.5K]
I wrote down the explanations, hope this helps!!!!
2) 2.8 atm
3) 704.7 mm Hg
4) 83.66 kPa

6 0
3 years ago
I've been stuck on this assignment for 3 weeks now, help please.<br>-Pics included-
Bond [772]
1. 2NaN3 —> 2Na + 3N2
2. 2Pb + 2H2O + O2 —> 2Pb(OH)2
3. 2C4H12 + 13O2 —> 8CO2 + 10H2O
4. 4Fe + 3Sn(NO3)4 —> 4Fe(NO3)3 + 3Sn
5. Fe(NO3)3 + 3NaOH —> Fe(OH)3 + 3NaNO3

Balancing equations depends on the atom numbers you start with.

If you are having trouble you can look up ‘chemical equation balancer’ and type in the starting elements and simply replace the arrow with an = equal sign and then enter the reactants. It will show you the balanced equation
But please— make sure you actually understand the process of balancing because it’s important for future chem classes
3 0
2 years ago
Sodium an alkali metal and chlorine a halogen are both in period 3?of the periodic table. Which element has a higher ionization
V125BC [204]

Answer:

chlorine

Explanation:

Because in periodic table across the period from left to right, ionization energy increases due to increase in the nuclear charge as more and more electrons are added to the same shell.

7 0
3 years ago
Compared to a solution with a ph of 6, the hydronium ion concentration of a solution with a Ph of 4 has how many more times the
Alexxx [7]

Answer: The hydronium ion concentration of a solution with a pH of 4 is 100 times more than the the hydronium ion concentration of a solution with a pH of 6

Explanation:

pH or pOH is the measure of acidity or alkalinity of a solution.

pH is calculated by taking negative logarithm of hydrogen ion concentration.

pH=-\log [H^+]

1. Solution with pH of 6

6=-\log [H^+]

[H^+]=10^{-6}

2. Solution with pH of 4

4=-\log [H^+]

[H^+]=10^{-4}

\frac{H^+_4}{H^+_6}=\frac{10^{-4}}{10^{-6}}=10^{2}={100}

{H^+_4}=100\times {H^+_6}

Thus the hydronium ion concentration of a solution with a pH of 4 is 100 times more than the the hydronium ion concentration of a solution with a pH of 6

5 0
3 years ago
A 25.0 g sample of metal at
AveGali [126]

The answer to this question is change in temperature will be 6.1 and specific specific heat capacity of metal will be 1698.36.

According to the formula of Calorimetry

Q = msΔT

where, Q = Quantity of heat absorbed (in joules)

M = Mass of water sample given (in kilogram)

S = specific heat capacity of metal

ΔT = Change in temperature

We have given,

Mass as 25 gram which is equal to 0.025 Kg.

Change in temperature as 6.1

Quantity of heat absorbed as 259 J

Applying to the formula of Calorimetry

Q = msΔT

259 = 0.025 × s × 6.1

s = 1698.36

So, specific heat capacity of metal came out to be 1698.36 and the change in temperature will be 6.1

Learn more about Calorimetry here:

brainly.com/question/1407669

#SPJ10

6 0
2 years ago
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