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Jlenok [28]
4 years ago
5

Based on the activity series, which metals could X represent in the reaction below? (Note: The equation is not balanced.)

Chemistry
1 answer:
Nikitich [7]4 years ago
3 0
Answer is: A) Sr (strontium).
The reactivity series<span> is a series of metals from highest to lowest reactivity.</span><span> Metal higher in the reactivity series will displace another.
</span>Strontium is only higher in this group from magnesium. Strontium is stronger reducing agent than magnesium, gives electrons easier.
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What is true about atoms when they bond? There may be more than one answer.
mylen [45]

Answer:

3. 5. and i think thats it

3 0
3 years ago
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A 125G sample of water was heated to 100.0°C and then I borrow platinum 20.0°C is dropped into the beaker the temperature of the
Sophie [7]

Answer:

mass of platinum = 2526.12 g

Explanation:

Given data:

Mass of water = 125 g

Initial temperature of water= 100.0°C

Initial temperature of Pt = 20.0°C

Final temperature = 235°C

Specific heat of Pt = 0.13 j/g°C

Specific heat of water = 4.184 j/g°C

Mass of platinum = ?

Solution:

Formula:

Q = m.c. ΔT

Q = amount of heat absorbed or released

m = mass of given substance

c = specific heat capacity of substance

ΔT = change in temperature

ΔT = T2 - T1

Q(w) = Q(Pt)

m.c.  (T2 - T1)   =   m.c.   (T2 - T1)

125 g × 4.184 j/g°C ×  (235°C - 100.0°C)  = m × 0.13 j/g°C ×  (235°C - 20°C)

125 g × 4.184 j/g°C × 135°C  = m × 0.13 j/g°C × 215°C

70605 j = m×27.95 j/g

m = 70605 j /27.95 j/g

m = 2526.12 g

5 0
4 years ago
What kind of elements make up a metallic bond ?
Nesterboy [21]
Metallic bond is made up from Metals as the name states it
8 0
4 years ago
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In a longitudinal wave, the _________ is the distance from one compression to the next compression or from one rarefaction to th
Andreyy89
The me drained is it
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4 years ago
1. Define action energy.
WARRIOR [948]

Answer:

In physics, action is an attribute of the dynamics of a physical system from which the equations of motion of the system can be derived through the principle of stationary action. ... Action has dimensions of energy⋅time or momentum⋅length, and its SI unit is joule-second.

Explanation:

hope it helps

6 0
3 years ago
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