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12345 [234]
3 years ago
14

What is measured by the heat of reaction?

Chemistry
1 answer:
bixtya [17]3 years ago
6 0

Answer:

The heat of reaction is basically the energy that is being released and or absorbed when chemicals are transformed in a type of chemical reaction. However, the heat of reaction or also called reaction enthalpy is mostly or typically expressed as a molar enthalpy in kJ/mol and or as just a specific enthalpy in kJ/kg or kJ/L.

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What is the ratio of sr2 ions to br- ions in a neutral compound?
san4es73 [151]

hi friend! its b, or a 1:2 ratio. i looked it up for help, and didn't have anything, so I did 1:2 and it was correct.

3 0
3 years ago
1. Which statement is true about the relationship between chromosomes, genes and
taurus [48]

Answer:

  • the answer is C.

Explanation:

6 0
3 years ago
CAN U GUYS HELP ME THIS WAS DUE LAST WEEK AND IM FAILING CHEM PLS HELP
dalvyx [7]

Answer:

Sry man wish I knew trust me tho you should go over it with your parents just let them know that your struggling and maybe they will go over it and help you get a better understanding of it also try asking an older sibling but yeah good luck with that have a good night!

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6 0
3 years ago
Calculate the volume of 0.100 m hcl required to neutralize 1.00 g of ba(oh)2 (molar mass = 171.3 g/mol).
dedylja [7]

The balanced chemical equation between HCl and Ba(OH)_{2} is:

2HCl (aq) + Ba(OH)_{2}(aq) -->BaCl_{2}(aq) + 2 H_{2}O(l)

Moles of Ba(OH)_{2} = 1.00 g Ba(OH)_{2} * \frac{1 mol Ba(OH)_{2}}{171.3 g Ba(OH)_{2}} = 0.00584 mol Ba(OH)_{2}

Moles of HCl required to neutralize Ba(OH)_{2}:

0.00584 mol Ba(OH)_{2} * \frac{ 2 mol HCl}{1 mol Ba(OH)_{2}} =   0.01168 mol HCl

Calculating the volume of HCl from moles and molarity:

0.01168 mol HCl * \frac{1 L}{0.100 mol} * \frac{1000 mL}{1 L} = 116.8 mL

7 0
3 years ago
Read 2 more answers
A food sample contains 6 g of carbohydrate and 4 g of protein. How many kcal from carbohydrate and protein are in the sample?
mafiozo [28]

Answer:

40 calories

Explanation:

If we take average calorie per gram of protein and carbohydrate as 4 calories/gram.

Then, Calories from 4 g of protein = 4g× 4calories/g = 16 calories

Similarly, calories due to 6 g of carbs =6 g× 4colries/g= 24 calories

Therefore, total calories = 16+24= 40 calories

6 0
3 years ago
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