1sthr W3 ASSESSMENT

1sthr W3 ASSESSMENT

1st - 2nd Grade

12 Qs

quiz-placeholder

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1sthr W3 ASSESSMENT

1sthr W3 ASSESSMENT

Assessment

Quiz

Chemistry

1st - 2nd Grade

Easy

NGSS
HS-PS3-4, MS-PS1-4, HS-PS1-4

+2

Standards-aligned

Created by

zai di

Used 3+ times

FREE Resource

12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

How do you calculate Enthalpy of a reaction?

ΔH = ΔHproducts - ΔHreactants

ΔT = q / mC

ΔG = ΔH -TΔS

E = mc2

Tags

NGSS.HS-PS1-4

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which of the following represent the enthalpy change of atomization?

O2(g) → 2 O(g)

Mg(s) → Mg(g)

Mg(s) + Cl2(g) → MgCl2(s)

Ca(g) → Ca2+(g) + 2 e

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

which of the following enthalpy changes represent the enthalpy change of formation?

Mg(s) + Cl2(g) → MgCl2(s)

Mg2+(g) + 2 Cl -(g) → MgCl2(aq)

O2(g) → 2 O(g)

2Mg (s) + O2(g) → 2MgO(S)

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

which of the following represent the enthalpy change of hydration?

Mg(s) → Mg2+(g)

Mg(s) → Mg2+(g) + 2 e

Cl2(g) + (aq)→ 2Cl(aq)

Mg2+(g) → Mg2+(aq)

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which of the following represent enthalpy change of solution?

Cl2(g) ---> 2Cl-(aq) .

Mg2+(g) ---> Mg2+(aq)

MgCl2(s) ---> Mg2+(aq) + 2Cl-(aq) .

Mg2+(g) + 2Cl-(g) ---> Mg2+(aq) + 2Cl-(aq)

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

1/2 O2(g) → O(g)

This equation represents.

Enthalpy of atomization

enthalpy of sublimation

enthalpy of dissociation

enthalpy of formation

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Name the device used to measure the changes in thermal energy.

calorie

specific heat

calorimeter

styrofoam cup

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