find the result of mixing 10 g of ice at -10 degree with 10 g of water at 10 degree (specific heat capacity of ice is 2.1 j g⁻¹ k⁻¹ , sp latent heat of ice = 336 j g⁻¹ k⁻¹ and sp heat capacity of water is 4.2 j g⁻¹ k⁻¹)