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spayn [35]
4 years ago
10

Plz help!!!!!!

Chemistry
1 answer:
Sever21 [200]4 years ago
5 0

this shows that magnesium is higher in the reactivity series than lead.

I don't think there can be an ionic equation written because both components are in solid form and neither is in an aqeuos state.

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Which of the following describes a boiling point?
Bess [88]

Answer:

Phase change from a liquid to a gas occurring at a specific  temperature and pressure

Explanation:

Boiling is a physical process in which a substance changes its state from liquid to vapor state.

In this context ,boiling point is the threshold temperature at which changes of state from liquid to vapor occurs. The boiling point also depends upon atmospheric pressure of environment as well. For the same substance, boiling point at  two different pressure will differ significantly.

For example : Boiling point of water at sea level is 100 degree Celsius

while at 6,250 ft , Boiling point of water  is 93.4 degree Celsius.

Based on above discussion option B Phase change from a liquid to a gas occurring at a specific  temperature and pressure is the correct answer.

3 0
3 years ago
KOH + HNO3 equals HOH + KNO what type of reaction is this​
Lady bird [3.3K]

Answer:

Double-Replacement Reactions

Explanation:

KOH + HNO3 -> H2O + KNO3

This is a double replacement reaction

The anions are "traded" and two new compounds are produced

(a liquid and a salt)

7 0
3 years ago
Please help! ill give you 90 points!
Luba_88 [7]

Answer:

1.d = 2.70 g/mL

2.d = 13.6 g/mL

4.d = 1896 g / 212.52 cm3 = 8.9 g/cm3

Explanation:If this helped subscribe to Amiredagoat Yt

3 0
3 years ago
POSSIBLE POINTS:
Hitman42 [59]

Answer:

63.7

Explanation:

Percent yield is actual yield over theoretical yield. In this case, 10/15.7 = .637 = 63.7%.

6 0
2 years ago
I need help on this, It’s due today. Please, anybody
Sholpan [36]

Answer:

1 = 252g, 2 = 2mL, 3 = 1.5mL, 4 = 3g, 5 = 225g, 6 = 0.92g/mL, 7 = 0.75g/mL, 8 = 0.71g/mL, 9 = 1.9mL, 10= 1.11mL, 11 = 76.9g

Explanation:

This problem is testing how well you can move around the equation D = m/v where D = Density (g/mL), m= mass of sample (g), v = volume of sample (mL).

4 0
3 years ago
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