A hostel spends 3200 on food for 20 students for 30 days. If they spend R 2400 for 30 students, then for how many dayš will the food last? ​

  • matematika

    Subject:

    Math

  • Author:

    coffey

  • Created:

    1 year ago

Answers 1

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calculate the mass of 9.37x 10^-3 mol magnesium

Explanation:

The formula you will need is the following:

mass (Mg) = n (Mg) x Molar mass (Mg)

If we look at the periodic table, the Molar mass of Magnesium is 24.3g/mol. On the other side, 9.37x10^-3 mol is the same as 0.00937mol. Therefore:

mass (Mg) = 0.00937mol x 24.3g/mol ----> mass (Mg) = 0.227691g

S: The mass of magnesium would be of 2.27691x10^-1g.

(ब) निम्नलिखित शब्दों के समानार्थी शब्द लिखो: (केवल दो) (१) मंजरी (२) हिम्मत (३) युद्ध​

Answer:

२ हिम्मत – हौसला ३ युद्ध–लड़ाई

. Write the relation between enthalpy change and internal energy change.​

Answer:

The change in the enthalpy of the system during a chemical reaction is equal to the change in its internal energy plus the change in the product of the pressure times the volume of the system.

[tex]answer[/tex]

INTERNAL ENERGY CHANGES
  • STATE OF MATTER
  • STATE OF FUNCTION
  • CLOSED SYSTEM
  • S I UNIT IS JOULE
ENTHALPY CHANGES
  • ENERGY CHANGES BETWEEN TO FUNCTION
  • STATE FUNCTION
  • OPEN SYSTEM
  • SI UNIT MOLE AND JOULE

[tex]thnk \: you[/tex]

u r from karnatak

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which of the following groups consist of only input devices?​
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Answer:

c mouse light pen keyboard

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Answer:

answer is option c

Explanation:

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