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Sedbober [7]
2 years ago
15

Name three elements that are named after people.

Chemistry
2 answers:
lbvjy [14]2 years ago
5 0
1. Mendelevium (Dimitri Mendeleev)
2. Curium (Marie and Pierrre Curie)
3. Einsteinium (Albert Einstein)
natali 33 [55]2 years ago
4 0

Answer:

Bohrium (Niels Bohr)

Curium (Marie and Pierre Curie)

Einsteinium (Albert Einstein

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44.90 g of reactants are placed in a beaker
sergiy2304 [10]

Answer:

D. -1882J

Explanation:

We can solve the energy released in a chemical reaction in an aqueous medium using the equation:

Q = -m*C*ΔT

<em>Where Q is energy (In J),</em>

<em>m is mass of water (45.00g)</em>

<em>C is specific heat of water (4.184J/g°C)</em>

<em>And ΔT is change in temperature (25.00°C - 15.00°C = 10.00°C)</em>

<em />

Replacing:

Q = -45.00*4.184J/g°C*10.00°C

Q = -1882J

Right answer is:

<h3>D. -1882J</h3>

<em />

7 0
2 years ago
How moles are there in 15 grams of SiO2
BigorU [14]
The answer you’re looking for is 0.250
7 0
3 years ago
By mistake, you added salt instead of sugar to the<br> oil. How can you remove the salt?
Jet001 [13]

Answer:

by adding water into the mix

Explanation:

this will dissolve the salt

5 0
3 years ago
Read 2 more answers
What is the concentration of hydronium ion in a 0.121 M HCl solution?
kogti [31]

Answer:

C) 0.121 M

Explanation:

HCl + H₂O = H₃O⁺ + OH⁻

.121M              .121M

HCl is a strong acid . It will dissociate almost 100 % so the concentration of acid and hydronium ion formed will be equal . It is to be noted that hydronium ion is formed due to association of H⁺ and H₂O . H⁺ is formed due to ionisation of HCl .

So concentrtion of hydronium ion ( H₃O⁺ ) will be .121 M.

7 0
3 years ago
In which environment would primary succession occur?
taurus [48]

Answer:

an area of exposed rock after a glacier melts away

Explanation:

i took the test

3 0
3 years ago
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