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Which one of the following chemical equations is balanced a 2naci h2so4 hcl naso4 b nh3 h2o 2nh4oh c koh h2so4 khso4 h2o d 2na s 2nas?
koh + h2so4-khso4 +h2o
What is true about balanced equations?
The amount on one side of the '=' must balance the amount on the other.
In order to solve the following system of equations by addition could you do before adding the equations so that one variable will be eliminated when you add them?
Yes, you can manipulate the equations before adding them to eliminate one variable. This can be done by multiplying one or both equations by a suitable coefficient so that the coefficients of one variable become opposites. Once the coefficients are aligned, you can add the equations together, resulting in the elimination of that variable, making it easier to solve for the remaining variable.
What is the purpose of writing a word equation in chemistry?
It is one way of representing a chemical reaction: it tells you what reacts and what is produced. Word equations are an efficient way to describe chemical changes, to help chemists recognize patterns, and to predict the products of a chemical reaction.
When modeling word problems as mathematical equations what is a synonym for the division operation?
Not sure what you mean by "the following"; but one word that is often related to division is "per".
Which one of the following chemical equations is balanced a 2naci h2so4 hcl naso4 b nh3 h2o 2nh4oh c koh h2so4 khso4 h2o d 2na s 2nas?
koh + h2so4-khso4 +h2o
Which one of the following is a step for balancing chemical equations?
Determine how long the reaction will take. apex
How are balanced chemical equations used when solving stoichiometric problems?
Balanced chemical equations are essential in stoichiometric problems as they provide the correct mole ratios of reactants and products involved in a chemical reaction. These ratios enable the calculation of the amounts of substances consumed or produced, facilitating conversions between moles, grams, and other units. By using the coefficients from the balanced equation, one can predict how much of each reactant is needed and how much product will be formed, ensuring accurate and consistent results in chemical calculations.
which one of the following is not a symbol used in chemical equations (s) (d) (g) (aq)?
(d) is not a symbol used in chemical equations. The symbols (s) represents a solid, (g) represents a gas, and (aq) represents an aqueous solution.
What is a scientific reaction?
A scientific reaction is a process in which one or more substances are changed into one or more new substances through the breaking and forming of chemical bonds. These reactions follow the laws of physics and chemistry and can be described by balanced chemical equations.
What does stoichiometry use to relate moles of one molcule to moles of another?
Stoichiometry uses the coefficients of balanced chemical equations to relate moles of one molecule to moles of another. It allows for the conversion of quantities between reactants and products in a chemical reaction.
How can one balance out chemical equations effectively?
To balance chemical equations effectively, one must ensure that the number of atoms of each element is the same on both sides of the equation. This is done by adjusting the coefficients in front of the chemical formulas. Start by balancing the most complex or uncommon elements first, then balance the remaining elements. Finally, double-check to ensure that the equation is balanced.
What is true about balanced equations?
The amount on one side of the '=' must balance the amount on the other.
What two things must we remember when balancing chemical equations?
When balancing chemical equations, it is important to remember to adjust coefficients (not subscripts) to ensure that the number of atoms of each element is equal on both sides of the equation. Additionally, it's crucial to balance one element at a time and to double-check the final equation to confirm that it is balanced.
How can one predict the products of chemical equations?
One can predict the products of chemical equations by understanding the types of reactions involved, such as synthesis, decomposition, single replacement, or double replacement. By knowing the reactants and their properties, one can use chemical rules and equations to determine the possible products that will form during the reaction.
What is the Balanced equation for a glow stick?
The chemical reaction in a glow stick involves the oxidation of a dye molecule by hydrogen peroxide in the presence of a base. One possible balanced equation for this reaction is: C10H18O + H2O2 → 10CO2 + 9H2O. However, variations in the specific chemicals used in glow sticks may result in different balanced equations.
Which one of the following equations represents the y- axis?
X = 0
